172160328 has 16 divisors (see below), whose sum is σ = 430400880. Its totient is φ = 57386768.

The previous prime is 172160323. The next prime is 172160383. The reversal of 172160328 is 823061271.

It is a junction number, because it is equal to n+sod(n) for n = 172160295 and 172160304.

It is not an unprimeable number, because it can be changed into a prime (172160321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3586650 + ... + 3586697.

It is an arithmetic number, because the mean of its divisors is an integer number (26900055).

Almost surely, 2^172160328 is an apocalyptic number.

It is an amenable number.

172160328 is an abundant number, since it is smaller than the sum of its proper divisors (258240552).

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

172160328 is a wasteful number, since it uses less digits than its factorization.

172160328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173356 (or 7173352 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 172160328 is about 13120.9880725500. The cubic root of 172160328 is about 556.3025198401.

The spelling of 172160328 in words is "one hundred seventy-two million, one hundred sixty thousand, three hundred twenty-eight".