166456608 has 48 divisors (see below), whose sum is σ = 451051776. Its totient is φ = 53694720.

The previous prime is 166456579. The next prime is 166456613. The reversal of 166456608 is 806654661.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 166456608.

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, 24991 + ... + 30942.

It is an arithmetic number, because the mean of its divisors is an integer number (9396912).

Almost surely, 2^166456608 is an apocalyptic number.

It is an amenable number.

166456608 is an abundant number, since it is smaller than the sum of its proper divisors (284595168).

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

166456608 is a wasteful number, since it uses less digits than its factorization.

166456608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55977 (or 55969 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 166456608 is about 12901.8063851540. The cubic root of 166456608 is about 550.0899114717.

The spelling of 166456608 in words is "one hundred sixty-six million, four hundred fifty-six thousand, six hundred eight".