679532166 has 20 divisors (see below), whose sum is σ = 1522655772. Its totient is φ = 226510668.

The previous prime is 679532159. The next prime is 679532173. The reversal of 679532166 is 661235976.

It is an interprime number because it is at equal distance from previous prime (679532159) and next prime (679532173).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2097160 + ... + 2097483.

Almost surely, 2^679532166 is an apocalyptic number.

679532166 is an abundant number, since it is smaller than the sum of its proper divisors (843123606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679532166 is a wasteful number, since it uses less digits than its factorization.

679532166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194657 (or 4194648 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 679532166 is about 26067.8377699417. The cubic root of 679532166 is about 879.1642228314.

The spelling of 679532166 in words is "six hundred seventy-nine million, five hundred thirty-two thousand, one hundred sixty-six".