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166145736248470 = 251119185034296361
BaseRepresentation
bin100101110001101111010001…
…100101110000110010010110
3210210021101012000201002111101
4211301233101211300302112
5133234112431434422340
61345210144133500314
746665430141362016
oct4561572145606226
9723241160632441
10166145736248470
1148a3701377a190
12167741a6aa169a
137192625166274
142d056d4719c46
151431c72915c9a
hex971bd1970c96

166145736248470 has 64 divisors (see below), whose sum is σ = 343439492175360. Its totient is φ = 57233701958400.

The previous prime is 166145736248449. The next prime is 166145736248509. The reversal of 166145736248470 is 74842637541661.

166145736248470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36523090 + ... + 40819450.

It is an arithmetic number, because the mean of its divisors is an integer number (5366242065240).

Almost surely, 2166145736248470 is an apocalyptic number.

166145736248470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166145736248470 is an abundant number, since it is smaller than the sum of its proper divisors (177293755926890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166145736248470 is a wasteful number, since it uses less digits than its factorization.

166145736248470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314901.

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 166145736248470 in words is "one hundred sixty-six trillion, one hundred forty-five billion, seven hundred thirty-six million, two hundred forty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 2090 18503 37006 92515 185030 203533 351557 407066 703114 1017665 1757785 2035330 3515570 3867127 4296361 7734254 8592722 19335635 21481805 38671270 42963610 47259971 81630859 94519942 163261718 236299855 408154295 472599710 816308590 897939449 1795878898 4489697245 8979394490 79495567583 158991135166 397477837915 794955675830 874451243413 1510415784077 1748902486826 3020831568154 4372256217065 7552078920385 8744512434130 15104157840770 16614573624847 33229147249694 83072868124235 166145736248470