679627161 has 24 divisors (see below), whose sum is σ = 1025496576. Its totient is φ = 432907200.

The previous prime is 679627141. The next prime is 679627181. The reversal of 679627161 is 161726976.

It is a happy number.

679627161 is a `hidden beast` number, since 6 + 7 + 9 + 627 + 16 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (679627141) and next prime (679627181).

It is not a de Polignac number, because 679627161 - 2⁵ = 679627129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (679627141) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 371896 + ... + 373718.

It is an arithmetic number, because the mean of its divisors is an integer number (42729024).

Almost surely, 2^679627161 is an apocalyptic number.

It is an amenable number.

679627161 is a deficient number, since it is larger than the sum of its proper divisors (345869415).

679627161 is a wasteful number, since it uses less digits than its factorization.

679627161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3650 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 679627161 is about 26069.6597791379. The cubic root of 679627161 is about 879.2051884241.

The spelling of 679627161 in words is "six hundred seventy-nine million, six hundred twenty-seven thousand, one hundred sixty-one".