166933071 has 6 divisors (see below), whose sum is σ = 241125560. Its totient is φ = 111288708.

The previous prime is 166933051. The next prime is 166933087. The reversal of 166933071 is 170339661.

It is not a de Polignac number, because 166933071 - 2⁹ = 166932559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166933001) 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, 9274051 + ... + 9274068.

Almost surely, 2^166933071 is an apocalyptic number.

166933071 is a deficient number, since it is larger than the sum of its proper divisors (74192489).

166933071 is a wasteful number, since it uses less digits than its factorization.

166933071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18548125 (or 18548122 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 166933071 is about 12920.2581630554. The cubic root of 166933071 is about 550.6142679689.

The spelling of 166933071 in words is "one hundred sixty-six million, nine hundred thirty-three thousand, seventy-one".