802622660664 has 64 divisors (see below), whose sum is σ = 2218956848640. Its totient is φ = 239887215360.

The previous prime is 802622660663. The next prime is 802622660669. The reversal of 802622660664 is 466066226208.

It is a super-2 number, since 2×802622660664² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802622660663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20804272 + ... + 20842815.

It is an arithmetic number, because the mean of its divisors is an integer number (34671200760).

Almost surely, 2^802622660664 is an apocalyptic number.

It is an amenable number.

802622660664 is an abundant number, since it is smaller than the sum of its proper divisors (1416334187976).

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

802622660664 is a wasteful number, since it uses less digits than its factorization.

802622660664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647180 (or 41647176 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 802622660664 in words is "eight hundred two billion, six hundred twenty-two million, six hundred sixty thousand, six hundred sixty-four".