172057116 has 96 divisors (see below), whose sum is σ = 517870080. Its totient is φ = 43142400.

The previous prime is 172057049. The next prime is 172057117. The reversal of 172057116 is 611750271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172057117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23586 + ... + 30006.

It is an arithmetic number, because the mean of its divisors is an integer number (5394480).

Almost surely, 2^172057116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172057116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258935040).

172057116 is an abundant number, since it is smaller than the sum of its proper divisors (345812964).

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

172057116 is a wasteful number, since it uses less digits than its factorization.

172057116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475 (or 6473 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 172057116 is about 13117.0543949471. The cubic root of 172057116 is about 556.1913278014.

The spelling of 172057116 in words is "one hundred seventy-two million, fifty-seven thousand, one hundred sixteen".