166633056 has 36 divisors (see below), whose sum is σ = 473863572. Its totient is φ = 55544256.

The previous prime is 166632989. The next prime is 166633079. The reversal of 166633056 is 650336661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 166633056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289006 + ... + 289581.

It is an arithmetic number, because the mean of its divisors is an integer number (13162877).

Almost surely, 2^166633056 is an apocalyptic number.

166633056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166633056 is an abundant number, since it is smaller than the sum of its proper divisors (307230516).

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

166633056 is a wasteful number, since it uses less digits than its factorization.

166633056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578603 (or 578592 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 166633056 is about 12908.6426862006. The cubic root of 166633056 is about 550.2842123367.

The spelling of 166633056 in words is "one hundred sixty-six million, six hundred thirty-three thousand, fifty-six".