663959322 has 32 divisors (see below), whose sum is σ = 1588964160. Its totient is φ = 204294960.

The previous prime is 663959311. The next prime is 663959341. The reversal of 663959322 is 223959366.

663959322 is a `hidden beast` number, since 6 + 6 + 39 + 593 + 22 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472204 + ... + 473607.

It is an arithmetic number, because the mean of its divisors is an integer number (49655130).

Almost surely, 2^663959322 is an apocalyptic number.

663959322 is an abundant number, since it is smaller than the sum of its proper divisors (925004838).

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

663959322 is a wasteful number, since it uses less digits than its factorization.

663959322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945835 (or 945829 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 663959322 is about 25767.4081350841. The cubic root of 663959322 is about 872.3963186349.

The spelling of 663959322 in words is "six hundred sixty-three million, nine hundred fifty-nine thousand, three hundred twenty-two".