65265522620 has 24 divisors (see below), whose sum is σ = 137088770784. Its totient is φ = 26100271296.

The previous prime is 65265522617. The next prime is 65265522649. The reversal of 65265522620 is 2622556256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280439 + ... + 457358.

It is an arithmetic number, because the mean of its divisors is an integer number (5712032116).

Almost surely, 2^65265522620 is an apocalyptic number.

It is an amenable number.

65265522620 is an abundant number, since it is smaller than the sum of its proper divisors (71823248164).

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

65265522620 is a wasteful number, since it uses less digits than its factorization.

65265522620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742229 (or 742227 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 65265522620 in words is "sixty-five billion, two hundred sixty-five million, five hundred twenty-two thousand, six hundred twenty".