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165080578157 = 1152185933533
BaseRepresentation
bin1001100110111110010…
…0011011100001101101
3120210002202020021000022
42121233210123201231
510201041112000112
6203500441411525
714632564522265
oct2315744334155
9523082207008
10165080578157
1164012756790
1227bb1199ba5
131274a9cbaa1
147dc058c7a5
154462a0dd72
hex266f91b86d

165080578157 has 16 divisors (see below), whose sum is σ = 180648999360. Its totient is φ = 149606371200.

The previous prime is 165080578151. The next prime is 165080578163. The reversal of 165080578157 is 751875080561.

It is an interprime number because it is at equal distance from previous prime (165080578151) and next prime (165080578163).

It is not a de Polignac number, because 165080578157 - 26 = 165080578093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165080578099 and 165080578108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165080578151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4906163 + ... + 4939695.

It is an arithmetic number, because the mean of its divisors is an integer number (11290562460).

Almost surely, 2165080578157 is an apocalyptic number.

It is an amenable number.

165080578157 is a deficient number, since it is larger than the sum of its proper divisors (15568421203).

165080578157 is a wasteful number, since it uses less digits than its factorization.

165080578157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34924.

The product of its (nonzero) digits is 2352000, while the sum is 53.

The spelling of 165080578157 in words is "one hundred sixty-five billion, eighty million, five hundred seventy-eight thousand, one hundred fifty-seven".

Divisors: 1 11 521 859 5731 9449 33533 368863 447539 4922929 17470693 28804847 192177623 316853317 15007325287 165080578157