663322076 has 12 divisors (see below), whose sum is σ = 1161367872. Its totient is φ = 331502688.

The previous prime is 663322061. The next prime is 663322141. The reversal of 663322076 is 670223366.

It is a congruent number.

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, 29900 + ... + 47123.

It is an arithmetic number, because the mean of its divisors is an integer number (96780656).

Almost surely, 2^663322076 is an apocalyptic number.

It is an amenable number.

663322076 is a deficient number, since it is larger than the sum of its proper divisors (498045796).

663322076 is a wasteful number, since it uses less digits than its factorization.

663322076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79180 (or 79178 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 663322076 is about 25755.0398174804. The cubic root of 663322076 is about 872.1171303395.

The spelling of 663322076 in words is "six hundred sixty-three million, three hundred twenty-two thousand, seventy-six".