165107412 has 36 divisors (see below), whose sum is σ = 418725216. Its totient is φ = 54855120.

The previous prime is 165107399. The next prime is 165107441. The reversal of 165107412 is 214701561.

It is a happy number.

165107412 is a `hidden beast` number, since 1 + 651 + 0 + 7 + 4 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3823 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (11631256).

Almost surely, 2^165107412 is an apocalyptic number.

165107412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165107412 is an abundant number, since it is smaller than the sum of its proper divisors (253617804).

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

165107412 is a wasteful number, since it uses less digits than its factorization.

165107412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15068 (or 15063 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 165107412 is about 12849.4129048762. The cubic root of 165107412 is about 548.5996464047.

Adding to 165107412 its reverse (214701561), we get a palindrome (379808973).

The spelling of 165107412 in words is "one hundred sixty-five million, one hundred seven thousand, four hundred twelve".