172053660 has 24 divisors (see below), whose sum is σ = 481750416. Its totient is φ = 45880960.

The previous prime is 172053647. The next prime is 172053701. The reversal of 172053660 is 66350271.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 1433721 + ... + 1433840.

It is an arithmetic number, because the mean of its divisors is an integer number (20072934).

Almost surely, 2^172053660 is an apocalyptic number.

172053660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172053660 is an abundant number, since it is smaller than the sum of its proper divisors (309696756).

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

172053660 is a wasteful number, since it uses less digits than its factorization.

172053660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867573 (or 2867571 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 172053660 is about 13116.9226573919. The cubic root of 172053660 is about 556.1876038247.

The spelling of 172053660 in words is "one hundred seventy-two million, fifty-three thousand, six hundred sixty".