167961560 has 32 divisors (see below), whose sum is σ = 406985040. Its totient is φ = 62016384.

The previous prime is 167961559. The next prime is 167961631. The reversal of 167961560 is 65169761.

It is a super-2 number, since 2×167961560² = 56422171275267200, which contains 22 as substring.

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, 160982 + ... + 162021.

Almost surely, 2^167961560 is an apocalyptic number.

167961560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167961560 is an abundant number, since it is smaller than the sum of its proper divisors (239023480).

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

167961560 is a wasteful number, since it uses less digits than its factorization.

167961560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323027 (or 323023 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 167961560 is about 12959.9984567900. The cubic root of 167961560 is about 551.7427475242.

The spelling of 167961560 in words is "one hundred sixty-seven million, nine hundred sixty-one thousand, five hundred sixty".