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165164105 = 5711034517
BaseRepresentation
bin10011101100000…
…11010001001001
3102111210012120002
421312003101021
5314240222410
624220012345
74043605001
oct1166032111
9374705502
10165164105
118525a267
12473910b5
13282ab152
1417d15001
15e7777a5
hex9d83449

165164105 has 16 divisors (see below), whose sum is σ = 202984704. Its totient is φ = 128976960.

The previous prime is 165164101. The next prime is 165164119. The reversal of 165164105 is 501461561.

It is not a de Polignac number, because 165164105 - 22 = 165164101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165164101) 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, 34307 + ... + 38823.

It is an arithmetic number, because the mean of its divisors is an integer number (12686544).

Almost surely, 2165164105 is an apocalyptic number.

It is an amenable number.

165164105 is a deficient number, since it is larger than the sum of its proper divisors (37820599).

165164105 is a wasteful number, since it uses less digits than its factorization.

165164105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 165164105 is about 12851.6187696337. The cubic root of 165164105 is about 548.6624301813.

It can be divided in two parts, 1651 and 64105, that added together give a palindrome (65756).

The spelling of 165164105 in words is "one hundred sixty-five million, one hundred sixty-four thousand, one hundred five".

Divisors: 1 5 71 103 355 515 4517 7313 22585 36565 320707 465251 1603535 2326255 33032821 165164105