172650516 has 12 divisors (see below), whose sum is σ = 402851232. Its totient is φ = 57550168.

The previous prime is 172650509. The next prime is 172650559. The reversal of 172650516 is 615056271.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 7193760 + ... + 7193783.

It is an arithmetic number, because the mean of its divisors is an integer number (33570936).

Almost surely, 2^172650516 is an apocalyptic number.

It is an amenable number.

172650516 is an abundant number, since it is smaller than the sum of its proper divisors (230200716).

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

172650516 is a wasteful number, since it uses less digits than its factorization.

172650516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387550 (or 14387548 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 172650516 is about 13139.6543333529. The cubic root of 172650516 is about 556.8300018308.

It can be divided in two parts, 172650 and 516, that added together give a triangular number (173166 = T₅₈₈).

The spelling of 172650516 in words is "one hundred seventy-two million, six hundred fifty thousand, five hundred sixteen".