166764933 has 16 divisors (see below), whose sum is σ = 247665600. Its totient is φ = 110903760.

The previous prime is 166764889. The next prime is 166764947. The reversal of 166764933 is 339467661.

It is not a de Polignac number, because 166764933 - 2¹³ = 166756741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166764953) 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, 3943 + ... + 18683.

It is an arithmetic number, because the mean of its divisors is an integer number (15479100).

Almost surely, 2^166764933 is an apocalyptic number.

It is an amenable number.

166764933 is a deficient number, since it is larger than the sum of its proper divisors (80900667).

166764933 is a wasteful number, since it uses less digits than its factorization.

166764933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169 (or 15163 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 166764933 is about 12913.7497652696. The cubic root of 166764933 is about 550.4293429944.

It can be divided in two parts, 16676 and 4933, that added together give a square (21609 = 147²).

The spelling of 166764933 in words is "one hundred sixty-six million, seven hundred sixty-four thousand, nine hundred thirty-three".