662044656 has 240 divisors, whose sum is σ = 2156647680. Its totient is φ = 171325440.

The previous prime is 662044639. The next prime is 662044657. The reversal of 662044656 is 656440266.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662044657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5053711 + ... + 5053841.

It is an arithmetic number, because the mean of its divisors is an integer number (8986032).

Almost surely, 2^662044656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662044656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078323840).

662044656 is an abundant number, since it is smaller than the sum of its proper divisors (1494603024).

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

662044656 is a wasteful number, since it uses less digits than its factorization.

662044656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 662044656 is about 25730.2284482668. The cubic root of 662044656 is about 871.5569319984.

The spelling of 662044656 in words is "six hundred sixty-two million, forty-four thousand, six hundred fifty-six".