166922965 has 16 divisors (see below), whose sum is σ = 218918016. Its totient is φ = 121176000.

The previous prime is 166922963. The next prime is 166922989. The reversal of 166922965 is 569229661.

It is not a de Polignac number, because 166922965 - 2¹ = 166922963 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 (166922963) 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, 31240 + ... + 36190.

It is an arithmetic number, because the mean of its divisors is an integer number (13682376).

Almost surely, 2^166922965 is an apocalyptic number.

It is an amenable number.

166922965 is a deficient number, since it is larger than the sum of its proper divisors (51995051).

166922965 is a wasteful number, since it uses less digits than its factorization.

166922965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its digits is 349920, while the sum is 46.

The square root of 166922965 is about 12919.8670658796. The cubic root of 166922965 is about 550.6031564896.

It can be divided in two parts, 1 and 66922965, that added together give a palindrome (66922966).

The spelling of 166922965 in words is "one hundred sixty-six million, nine hundred twenty-two thousand, nine hundred sixty-five".