167872225 has 12 divisors (see below), whose sum is σ = 208625536. Its totient is φ = 133998480.

The previous prime is 167872217. The next prime is 167872261. The reversal of 167872225 is 522278761.

It is a happy number.

It is not a de Polignac number, because 167872225 - 2³ = 167872217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4324 + ... + 18826.

Almost surely, 2^167872225 is an apocalyptic number.

It is an amenable number.

167872225 is a deficient number, since it is larger than the sum of its proper divisors (40753311).

167872225 is a wasteful number, since it uses less digits than its factorization.

167872225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976 (or 14971 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 167872225 is about 12956.5514316117. The cubic root of 167872225 is about 551.6449102975.

The spelling of 167872225 in words is "one hundred sixty-seven million, eight hundred seventy-two thousand, two hundred twenty-five".