660322352 has 20 divisors (see below), whose sum is σ = 1346710680. Its totient is φ = 312784128.

The previous prime is 660322349. The next prime is 660322367. The reversal of 660322352 is 253223066.

660322352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 1085753 + ... + 1086360.

It is an arithmetic number, because the mean of its divisors is an integer number (67335534).

Almost surely, 2^660322352 is an apocalyptic number.

It is an amenable number.

660322352 is an abundant number, since it is smaller than the sum of its proper divisors (686388328).

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

660322352 is a wasteful number, since it uses less digits than its factorization.

660322352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172140 (or 2172134 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 660322352 is about 25696.7381587625. The cubic root of 660322352 is about 870.8004928121.

The spelling of 660322352 in words is "six hundred sixty million, three hundred twenty-two thousand, three hundred fifty-two".