806662656 has 120 divisors (see below), whose sum is σ = 2403608064. Its totient is φ = 260167680.

The previous prime is 806662639. The next prime is 806662663. The reversal of 806662656 is 656266608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140025 + ... + 145671.

Almost surely, 2^806662656 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 806662656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201804032).

806662656 is an abundant number, since it is smaller than the sum of its proper divisors (1596945408).

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

806662656 is a wasteful number, since it uses less digits than its factorization.

806662656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702 (or 5683 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 806662656 is about 28401.8072664399. The cubic root of 806662656 is about 930.8877544530.

The spelling of 806662656 in words is "eight hundred six million, six hundred sixty-two thousand, six hundred fifty-six".