167997956 has 12 divisors (see below), whose sum is σ = 335995968. Its totient is φ = 71999112.

The previous prime is 167997941. The next prime is 167997979. The reversal of 167997956 is 659799761.

167997956 is an admirable number.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 167997895 and 167997904.

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, 2999936 + ... + 2999991.

It is an arithmetic number, because the mean of its divisors is an integer number (27999664).

Almost surely, 2^167997956 is an apocalyptic number.

It is an amenable number.

167997956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

167997956 is a wasteful number, since it uses less digits than its factorization.

167997956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999938 (or 5999936 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 59.

The square root of 167997956 is about 12961.4025475641. The cubic root of 167997956 is about 551.7825974731.

The spelling of 167997956 in words is "one hundred sixty-seven million, nine hundred ninety-seven thousand, nine hundred fifty-six".