172099234160 has 160 divisors (see below), whose sum is σ = 462949416960. Its totient is φ = 58279689216.

The previous prime is 172099234157. The next prime is 172099234187. The reversal of 172099234160 is 61432990271.

172099234160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 16281197 + ... + 16291763.

It is an arithmetic number, because the mean of its divisors is an integer number (2893433856).

Almost surely, 2^172099234160 is an apocalyptic number.

172099234160 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 172099234160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231474708480).

172099234160 is an abundant number, since it is smaller than the sum of its proper divisors (290850182800).

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

172099234160 is a wasteful number, since it uses less digits than its factorization.

172099234160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943 (or 10937 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 172099234160 in words is "one hundred seventy-two billion, ninety-nine million, two hundred thirty-four thousand, one hundred sixty".