660079316 has 24 divisors (see below), whose sum is σ = 1246066080. Its totient is φ = 304144992.

The previous prime is 660079309. The next prime is 660079319. The reversal of 660079316 is 613970066.

It is a super-2 number, since 2×660079316² = 871409406822055712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 660079316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660079319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21935 + ... + 42441.

It is an arithmetic number, because the mean of its divisors is an integer number (51919420).

Almost surely, 2^660079316 is an apocalyptic number.

It is an amenable number.

660079316 is a deficient number, since it is larger than the sum of its proper divisors (585986764).

660079316 is a wasteful number, since it uses less digits than its factorization.

660079316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21143 (or 21141 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 660079316 is about 25692.0087965110. The cubic root of 660079316 is about 870.6936450794.

The spelling of 660079316 in words is "six hundred sixty million, seventy-nine thousand, three hundred sixteen".