168667056 has 40 divisors (see below), whose sum is σ = 484138160. Its totient is φ = 56222208.

The previous prime is 168667033. The next prime is 168667087. The reversal of 168667056 is 650766861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194785 + ... + 195648.

It is an arithmetic number, because the mean of its divisors is an integer number (12103454).

Almost surely, 2^168667056 is an apocalyptic number.

168667056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168667056 is an abundant number, since it is smaller than the sum of its proper divisors (315471104).

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

168667056 is a wasteful number, since it uses less digits than its factorization.

168667056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390450 (or 390438 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 168667056 is about 12987.1881483253. The cubic root of 168667056 is about 552.5141712000.

The spelling of 168667056 in words is "one hundred sixty-eight million, six hundred sixty-seven thousand, fifty-six".