672166080 has 112 divisors (see below), whose sum is σ = 2371283040. Its totient is φ = 179241984.

The previous prime is 672166037. The next prime is 672166091. The reversal of 672166080 is 80661276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30259 + ... + 47538.

It is an arithmetic number, because the mean of its divisors is an integer number (21172170).

Almost surely, 2^672166080 is an apocalyptic number.

672166080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672166080 is an abundant number, since it is smaller than the sum of its proper divisors (1699116960).

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

672166080 is a wasteful number, since it uses less digits than its factorization.

672166080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77823 (or 77807 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 672166080 is about 25926.1659332806. The cubic root of 672166080 is about 875.9759798255.

The spelling of 672166080 in words is "six hundred seventy-two million, one hundred sixty-six thousand, eighty".