166994844 has 12 divisors (see below), whose sum is σ = 389654664. Its totient is φ = 55664944.

The previous prime is 166994833. The next prime is 166994869. The reversal of 166994844 is 448499661.

166994844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6958107 + ... + 6958130.

It is an arithmetic number, because the mean of its divisors is an integer number (32471222).

Almost surely, 2^166994844 is an apocalyptic number.

It is an amenable number.

166994844 is an abundant number, since it is smaller than the sum of its proper divisors (222659820).

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

166994844 is a wasteful number, since it uses less digits than its factorization.

166994844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13916244 (or 13916242 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 166994844 is about 12922.6484901509. The cubic root of 166994844 is about 550.6821772221.

The spelling of 166994844 in words is "one hundred sixty-six million, nine hundred ninety-four thousand, eight hundred forty-four".