65266862560768 has 80 divisors (see below), whose sum is σ = 143975357862336. Its totient is φ = 29309324707840.

The previous prime is 65266862560663. The next prime is 65266862560817. The reversal of 65266862560768 is 86706526866256.

It is a self number, because there is not a number n which added to its sum of digits gives 65266862560768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69343246 + ... + 70278157.

Almost surely, 2^{65266862560768} is an apocalyptic number.

It is an amenable number.

65266862560768 is an abundant number, since it is smaller than the sum of its proper divisors (78708495301568).

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

65266862560768 is a wasteful number, since it uses less digits than its factorization.

65266862560768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139621515 (or 139621499 counting only the distinct ones).

The product of its (nonzero) digits is 2090188800, while the sum is 73.

The spelling of 65266862560768 in words is "sixty-five trillion, two hundred sixty-six billion, eight hundred sixty-two million, five hundred sixty thousand, seven hundred sixty-eight".