662983656 has 32 divisors (see below), whose sum is σ = 1672133760. Its totient is φ = 219037952.

The previous prime is 662983621. The next prime is 662983667. The reversal of 662983656 is 656389266.

It is a junction number, because it is equal to n+sod(n) for n = 662983599 and 662983608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119520 + ... + 124943.

It is an arithmetic number, because the mean of its divisors is an integer number (52254180).

Almost surely, 2^662983656 is an apocalyptic number.

It is an amenable number.

662983656 is an abundant number, since it is smaller than the sum of its proper divisors (1009150104).

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

662983656 is a wasteful number, since it uses less digits than its factorization.

662983656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244585 (or 244581 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The square root of 662983656 is about 25748.4690030301. The cubic root of 662983656 is about 871.9687900902.

The spelling of 662983656 in words is "six hundred sixty-two million, nine hundred eighty-three thousand, six hundred fifty-six".