660359679 has 32 divisors (see below), whose sum is σ = 1080092160. Its totient is φ = 350272512.

The previous prime is 660359669. The next prime is 660359681. The reversal of 660359679 is 976953066.

It is not a de Polignac number, because 660359679 - 2⁸ = 660359423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660359639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13392 + ... + 38730.

It is an arithmetic number, because the mean of its divisors is an integer number (33752880).

Almost surely, 2^660359679 is an apocalyptic number.

660359679 is a deficient number, since it is larger than the sum of its proper divisors (419732481).

660359679 is a wasteful number, since it uses less digits than its factorization.

660359679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25439.

The product of its (nonzero) digits is 1837080, while the sum is 51.

The square root of 660359679 is about 25697.4644469060. The cubic root of 660359679 is about 870.8169008374.

The spelling of 660359679 in words is "six hundred sixty million, three hundred fifty-nine thousand, six hundred seventy-nine".