166750056 has 64 divisors (see below), whose sum is σ = 505310400. Its totient is φ = 50529600.

The previous prime is 166750049. The next prime is 166750057. The reversal of 166750056 is 650057661.

It is a happy number.

166750056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166750056.

It is not an unprimeable number, because it can be changed into a prime (166750057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32715 + ... + 37466.

It is an arithmetic number, because the mean of its divisors is an integer number (7895475).

Almost surely, 2^166750056 is an apocalyptic number.

It is an amenable number.

166750056 is an abundant number, since it is smaller than the sum of its proper divisors (338560344).

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

166750056 is a wasteful number, since it uses less digits than its factorization.

166750056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70207 (or 70197 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 166750056 is about 12913.1737384734. The cubic root of 166750056 is about 550.4129746834.

The spelling of 166750056 in words is "one hundred sixty-six million, seven hundred fifty thousand, fifty-six".