6465506716536 has 96 divisors (see below), whose sum is σ = 18884857986000. Its totient is φ = 1839220798464.

The previous prime is 6465506716469. The next prime is 6465506716541. The reversal of 6465506716536 is 6356176055646.

It is a self number, because there is not a number n which added to its sum of digits gives 6465506716536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11734801 + ... + 12273408.

Almost surely, 2^{6465506716536} is an apocalyptic number.

It is an amenable number.

6465506716536 is an abundant number, since it is smaller than the sum of its proper divisors (12419351269464).

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

6465506716536 is a wasteful number, since it uses less digits than its factorization.

6465506716536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24008461 (or 24008450 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 60.

The spelling of 6465506716536 in words is "six trillion, four hundred sixty-five billion, five hundred six million, seven hundred sixteen thousand, five hundred thirty-six".