165435524012 has 24 divisors (see below), whose sum is σ = 317005572240. Its totient is φ = 74918413760.

The previous prime is 165435524011. The next prime is 165435524027. The reversal of 165435524012 is 210425534561.

It is a super-2 number, since 2×165435524012² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165435524011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6976823 + ... + 7000494.

It is an arithmetic number, because the mean of its divisors is an integer number (13208565510).

Almost surely, 2^165435524012 is an apocalyptic number.

It is an amenable number.

165435524012 is a deficient number, since it is larger than the sum of its proper divisors (151570048228).

165435524012 is a wasteful number, since it uses less digits than its factorization.

165435524012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13977601 (or 13977599 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 165435524012 in words is "one hundred sixty-five billion, four hundred thirty-five million, five hundred twenty-four thousand, twelve".