172316160 has 240 divisors, whose sum is σ = 621116496. Its totient is φ = 45785088.

The previous prime is 172316159. The next prime is 172316171. The reversal of 172316160 is 61613271.

172316160 is a `hidden beast` number, since 17 + 2 + 31 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621942 + ... + 622218.

Almost surely, 2^172316160 is an apocalyptic number.

172316160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172316160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310558248).

172316160 is an abundant number, since it is smaller than the sum of its proper divisors (448800336).

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

172316160 is an frugal number, since it uses more digits than its factorization.

172316160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 172316160 is about 13126.9250016902. The cubic root of 172316160 is about 556.4703161272.

The spelling of 172316160 in words is "one hundred seventy-two million, three hundred sixteen thousand, one hundred sixty".