172160975 has 12 divisors (see below), whose sum is σ = 243976944. Its totient is φ = 118053120.

The previous prime is 172160969. The next prime is 172160981. The reversal of 172160975 is 579061271.

It is an interprime number because it is at equal distance from previous prime (172160969) and next prime (172160981).

It is not a de Polignac number, because 172160975 - 2⁸ = 172160719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491714 + ... + 492063.

It is an arithmetic number, because the mean of its divisors is an integer number (20331412).

Almost surely, 2^172160975 is an apocalyptic number.

172160975 is a deficient number, since it is larger than the sum of its proper divisors (71815969).

172160975 is an equidigital number, since it uses as much as digits as its factorization.

172160975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983794 (or 983789 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 172160975 is about 13121.0127276823. The cubic root of 172160975 is about 556.3032167240.

The spelling of 172160975 in words is "one hundred seventy-two million, one hundred sixty thousand, nine hundred seventy-five".