167920972 has 12 divisors (see below), whose sum is σ = 294262416. Its totient is φ = 83846000.

The previous prime is 167920967. The next prime is 167921023. The reversal of 167920972 is 279029761.

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, 25279 + ... + 31222.

It is an arithmetic number, because the mean of its divisors is an integer number (24521868).

Almost surely, 2^167920972 is an apocalyptic number.

It is an amenable number.

167920972 is a deficient number, since it is larger than the sum of its proper divisors (126341444).

167920972 is a wasteful number, since it uses less digits than its factorization.

167920972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57248 (or 57246 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 167920972 is about 12958.4324669306. The cubic root of 167920972 is about 551.6983009681.

The spelling of 167920972 in words is "one hundred sixty-seven million, nine hundred twenty thousand, nine hundred seventy-two".