28160904328 has 32 divisors (see below), whose sum is σ = 56024524800. Its totient is φ = 13224493312.

The previous prime is 28160904313. The next prime is 28160904329. The reversal of 28160904328 is 82340906182.

It is not an unprimeable number, because it can be changed into a prime (28160904329) 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, 151000 + ... + 281287.

It is an arithmetic number, because the mean of its divisors is an integer number (1750766400).

Almost surely, 2^28160904328 is an apocalyptic number.

It is an amenable number.

28160904328 is a deficient number, since it is larger than the sum of its proper divisors (27863620472).

28160904328 is a wasteful number, since it uses less digits than its factorization.

28160904328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432789 (or 432785 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 28160904328 in words is "twenty-eight billion, one hundred sixty million, nine hundred four thousand, three hundred twenty-eight".