167169972 has 24 divisors (see below), whose sum is σ = 390282592. Its totient is φ = 55692000.

The previous prime is 167169967. The next prime is 167169983. The reversal of 167169972 is 279961761.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30222 + ... + 35322.

Almost surely, 2^167169972 is an apocalyptic number.

167169972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

167169972 is an abundant number, since it is smaller than the sum of its proper divisors (223112620).

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

167169972 is a wasteful number, since it uses less digits than its factorization.

167169972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839 (or 7837 counting only the distinct ones).

The product of its digits is 285768, while the sum is 48.

The square root of 167169972 is about 12929.4227249325. The cubic root of 167169972 is about 550.8746106597.

The spelling of 167169972 in words is "one hundred sixty-seven million, one hundred sixty-nine thousand, nine hundred seventy-two".