3165128732 has 12 divisors (see below), whose sum is σ = 5560529520. Its totient is φ = 1576406016.

The previous prime is 3165128713. The next prime is 3165128741. The reversal of 3165128732 is 2378215613.

It is a super-4 number, since 4×3165128732⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538432 + ... + 1540487.

It is an arithmetic number, because the mean of its divisors is an integer number (463377460).

Almost surely, 2^3165128732 is an apocalyptic number.

It is an amenable number.

3165128732 is a deficient number, since it is larger than the sum of its proper divisors (2395400788).

3165128732 is a wasteful number, since it uses less digits than its factorization.

3165128732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079180 (or 3079178 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 3165128732 is about 56259.4768194657. The cubic root of 3165128732 is about 1468.2402518925.

The spelling of 3165128732 in words is "three billion, one hundred sixty-five million, one hundred twenty-eight thousand, seven hundred thirty-two".