679171660 has 12 divisors (see below), whose sum is σ = 1426260528. Its totient is φ = 271668656.

The previous prime is 679171639. The next prime is 679171673. The reversal of 679171660 is 66171976.

679171660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679171660² = 922548287494311200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16979272 + ... + 16979311.

It is an arithmetic number, because the mean of its divisors is an integer number (118855044).

Almost surely, 2^679171660 is an apocalyptic number.

It is an amenable number.

679171660 is an abundant number, since it is smaller than the sum of its proper divisors (747088868).

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

679171660 is a wasteful number, since it uses less digits than its factorization.

679171660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33958592 (or 33958590 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 679171660 is about 26060.9220865264. The cubic root of 679171660 is about 879.0087236717.

The spelling of 679171660 in words is "six hundred seventy-nine million, one hundred seventy-one thousand, six hundred sixty".