166932473 has 2 divisors, whose sum is σ = 166932474. Its totient is φ = 166932472.

The previous prime is 166932433. The next prime is 166932529. The reversal of 166932473 is 374239661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148157584 + 18774889 = 12172^2 + 4333^2 .

It is a cyclic number.

It is not a de Polignac number, because 166932473 - 2²⁰ = 165883897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166932473.

It is not a weakly prime, because it can be changed into another prime (166932433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83466236 + 83466237.

It is an arithmetic number, because the mean of its divisors is an integer number (83466237).

Almost surely, 2^166932473 is an apocalyptic number.

It is an amenable number.

166932473 is a deficient number, since it is larger than the sum of its proper divisors (1).

166932473 is an equidigital number, since it uses as much as digits as its factorization.

166932473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 166932473 is about 12920.2350210822. The cubic root of 166932473 is about 550.6136104844.

The spelling of 166932473 in words is "one hundred sixty-six million, nine hundred thirty-two thousand, four hundred seventy-three".