801656970660 has 1296 divisors, whose sum is σ = 3293220490560. Its totient is φ = 156015175680.

The previous prime is 801656970659. The next prime is 801656970661. The reversal of 801656970660 is 66079656108.

801656970660 is a `hidden beast` number, since 8 + 0 + 1 + 6 + 569 + 70 + 6 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (801656970659) and next prime (801656970661).

It is a junction number, because it is equal to n+sod(n) for n = 801656970597 and 801656970606.

It is not an unprimeable number, because it can be changed into a prime (801656970661) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 6119518795 + ... + 6119518925.

Almost surely, 2^801656970660 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 801656970660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646610245280).

801656970660 is an abundant number, since it is smaller than the sum of its proper divisors (2491563519900).

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

801656970660 is a wasteful number, since it uses less digits than its factorization.

801656970660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 801656970660 in words is "eight hundred one billion, six hundred fifty-six million, nine hundred seventy thousand, six hundred sixty".