660032316 has 18 divisors (see below), whose sum is σ = 1668415112. Its totient is φ = 220010760.

The previous prime is 660032299. The next prime is 660032333. The reversal of 660032316 is 613230066.

It is an interprime number because it is at equal distance from previous prime (660032299) and next prime (660032333).

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 660032316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9167080 + ... + 9167151.

Almost surely, 2^660032316 is an apocalyptic number.

It is an amenable number.

660032316 is an abundant number, since it is smaller than the sum of its proper divisors (1008382796).

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

660032316 is a wasteful number, since it uses less digits than its factorization.

660032316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18334241 (or 18334236 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 660032316 is about 25691.0940989285. The cubic root of 660032316 is about 870.6729790919.

The spelling of 660032316 in words is "six hundred sixty million, thirty-two thousand, three hundred sixteen".