172150980 has 48 divisors (see below), whose sum is σ = 486307584. Its totient is φ = 45498880.

The previous prime is 172150961. The next prime is 172150981. The reversal of 172150980 is 89051271.

It is not an unprimeable number, because it can be changed into a prime (172150981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5916 + ... + 19475.

It is an arithmetic number, because the mean of its divisors is an integer number (10131408).

Almost surely, 2^172150980 is an apocalyptic number.

172150980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172150980 is an abundant number, since it is smaller than the sum of its proper divisors (314156604).

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

172150980 is a wasteful number, since it uses less digits than its factorization.

172150980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25516 (or 25514 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 172150980 is about 13120.6318445416. The cubic root of 172150980 is about 556.2924509116.

The spelling of 172150980 in words is "one hundred seventy-two million, one hundred fifty thousand, nine hundred eighty".