167978960 has 40 divisors (see below), whose sum is σ = 391522560. Its totient is φ = 67024512.

The previous prime is 167978953. The next prime is 167979011. The reversal of 167978960 is 69879761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32729 + ... + 37511.

It is an arithmetic number, because the mean of its divisors is an integer number (9788064).

Almost surely, 2^167978960 is an apocalyptic number.

167978960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167978960 is an abundant number, since it is smaller than the sum of its proper divisors (223543600).

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

167978960 is a wasteful number, since it uses less digits than its factorization.

167978960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 167978960 is about 12960.6697357814. The cubic root of 167978960 is about 551.7617994873.

The spelling of 167978960 in words is "one hundred sixty-seven million, nine hundred seventy-eight thousand, nine hundred sixty".