167641980 has 48 divisors (see below), whose sum is σ = 512072064. Its totient is φ = 40640320.

The previous prime is 167641979. The next prime is 167642003. The reversal of 167641980 is 89146761.

It is a congruent number.

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, 126342 + ... + 127661.

It is an arithmetic number, because the mean of its divisors is an integer number (10668168).

Almost surely, 2^167641980 is an apocalyptic number.

167641980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167641980 is an abundant number, since it is smaller than the sum of its proper divisors (344430084).

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

167641980 is a wasteful number, since it uses less digits than its factorization.

167641980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254026 (or 254024 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 167641980 is about 12947.6631096117. The cubic root of 167641980 is about 551.3925922124.

The spelling of 167641980 in words is "one hundred sixty-seven million, six hundred forty-one thousand, nine hundred eighty".