166713669 has 12 divisors (see below), whose sum is σ = 240926400. Its totient is φ = 111088104.

The previous prime is 166713607. The next prime is 166713697. The reversal of 166713669 is 966317661.

It is not a de Polignac number, because 166713669 - 2¹² = 166709573 is a prime.

It is a super-2 number, since 2×166713669² = 55586894862883122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166715669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25102 + ... + 31040.

It is an arithmetic number, because the mean of its divisors is an integer number (20077200).

Almost surely, 2^166713669 is an apocalyptic number.

It is an amenable number.

166713669 is a deficient number, since it is larger than the sum of its proper divisors (74212731).

166713669 is a wasteful number, since it uses less digits than its factorization.

166713669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9064 (or 9061 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 166713669 is about 12911.7647515744. The cubic root of 166713669 is about 550.3729360485.

The spelling of 166713669 in words is "one hundred sixty-six million, seven hundred thirteen thousand, six hundred sixty-nine".