172337216 has 28 divisors (see below), whose sum is σ = 346112592. Its totient is φ = 85127808.

The previous prime is 172337167. The next prime is 172337233. The reversal of 172337216 is 612733271.

172337216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10910 + ... + 21533.

It is an arithmetic number, because the mean of its divisors is an integer number (12361164).

Almost surely, 2^172337216 is an apocalyptic number.

172337216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172337216 is an abundant number, since it is smaller than the sum of its proper divisors (173775376).

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

172337216 is an equidigital number, since it uses as much as digits as its factorization.

172337216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32538 (or 32528 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 172337216 is about 13127.7269928956. The cubic root of 172337216 is about 556.4929809811.

The spelling of 172337216 in words is "one hundred seventy-two million, three hundred thirty-seven thousand, two hundred sixteen".