660964596 has 96 divisors (see below), whose sum is σ = 1626643200. Its totient is φ = 208687104.

The previous prime is 660964543. The next prime is 660964597. The reversal of 660964596 is 695469066.

660964596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660964597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4435930 + ... + 4436078.

It is an arithmetic number, because the mean of its divisors is an integer number (16944200).

Almost surely, 2^660964596 is an apocalyptic number.

It is an amenable number.

660964596 is an abundant number, since it is smaller than the sum of its proper divisors (965678604).

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

660964596 is a wasteful number, since it uses less digits than its factorization.

660964596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 660964596 is about 25709.2317271442. The cubic root of 660964596 is about 871.0827212165.

The spelling of 660964596 in words is "six hundred sixty million, nine hundred sixty-four thousand, five hundred ninety-six".