166652433 has 6 divisors (see below), whose sum is σ = 240720194. Its totient is φ = 111101616.

The previous prime is 166652419. The next prime is 166652443. The reversal of 166652433 is 334256661.

It can be written as a sum of positive squares in only one way, i.e., 163635264 + 3017169 = 12792^2 + 1737^2 .

It is not a de Polignac number, because 166652433 - 2²⁰ = 165603857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166652443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9258460 + ... + 9258477.

Almost surely, 2^166652433 is an apocalyptic number.

It is an amenable number.

166652433 is a deficient number, since it is larger than the sum of its proper divisors (74067761).

166652433 is a wasteful number, since it uses less digits than its factorization.

166652433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18516943 (or 18516940 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 166652433 is about 12909.3932080482. The cubic root of 166652433 is about 550.3055415258.

The spelling of 166652433 in words is "one hundred sixty-six million, six hundred fifty-two thousand, four hundred thirty-three".