166564948 has 24 divisors (see below), whose sum is σ = 322739424. Its totient is φ = 74580000.

The previous prime is 166564927. The next prime is 166564949. The reversal of 166564948 is 849465661.

166564948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166564949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25303 + ... + 31198.

It is an arithmetic number, because the mean of its divisors is an integer number (13447476).

Almost surely, 2^166564948 is an apocalyptic number.

It is an amenable number.

166564948 is a deficient number, since it is larger than the sum of its proper divisors (156174476).

166564948 is a wasteful number, since it uses less digits than its factorization.

166564948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56583 (or 56581 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 166564948 is about 12906.0043390664. The cubic root of 166564948 is about 550.2092294863.

The spelling of 166564948 in words is "one hundred sixty-six million, five hundred sixty-four thousand, nine hundred forty-eight".