34156560172 has 48 divisors (see below), whose sum is σ = 69317140032. Its totient is φ = 14424883200.

The previous prime is 34156560161. The next prime is 34156560173. The reversal of 34156560172 is 27106565143.

It is a super-4 number, since 4×34156560172⁴ (a number of 43 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (34156560173) 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, 516172 + ... + 578572.

It is an arithmetic number, because the mean of its divisors is an integer number (1444107084).

Almost surely, 2^34156560172 is an apocalyptic number.

It is an amenable number.

34156560172 is an abundant number, since it is smaller than the sum of its proper divisors (35160579860).

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

34156560172 is a wasteful number, since it uses less digits than its factorization.

34156560172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62698 (or 62696 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 34156560172 in words is "thirty-four billion, one hundred fifty-six million, five hundred sixty thousand, one hundred seventy-two".