172147160 has 16 divisors (see below), whose sum is σ = 387331200. Its totient is φ = 68858848.

The previous prime is 172147153. The next prime is 172147193. The reversal of 172147160 is 61741271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151800 + ... + 2151879.

It is an arithmetic number, because the mean of its divisors is an integer number (24208200).

Almost surely, 2^172147160 is an apocalyptic number.

172147160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172147160 is an abundant number, since it is smaller than the sum of its proper divisors (215184040).

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

172147160 is a wasteful number, since it uses less digits than its factorization.

172147160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303690 (or 4303686 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 172147160 is about 13120.4862714764. The cubic root of 172147160 is about 556.2883362040.

The spelling of 172147160 in words is "one hundred seventy-two million, one hundred forty-seven thousand, one hundred sixty".