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166093660 = 22531267893
BaseRepresentation
bin10011110011001…
…10001101011100
3102120112102200001
421321212031130
5320004444120
624251544044
74054526035
oct1171461534
9376472601
10166093660
1185834697
124775b024
1328545295
14180b7a8c
15e8ace0a
hex9e6635c

166093660 has 24 divisors (see below), whose sum is σ = 360049536. Its totient is φ = 64294080.

The previous prime is 166093657. The next prime is 166093693. The reversal of 166093660 is 66390661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133327 + ... + 134566.

It is an arithmetic number, because the mean of its divisors is an integer number (15002064).

Almost surely, 2166093660 is an apocalyptic number.

166093660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166093660 is an abundant number, since it is smaller than the sum of its proper divisors (193955876).

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

166093660 is a wasteful number, since it uses less digits than its factorization.

166093660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267933 (or 267931 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 166093660 is about 12887.7329270900. The cubic root of 166093660 is about 549.6898085608.

It can be divided in two parts, 166093 and 660, that added together give a triangular number (166753 = T577).

The spelling of 166093660 in words is "one hundred sixty-six million, ninety-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 267893 535786 1071572 1339465 2678930 5357860 8304683 16609366 33218732 41523415 83046830 166093660