65506006050064 has 40 divisors (see below), whose sum is σ = 133388833193280. Its totient is φ = 31103571193728.

The previous prime is 65506006050049. The next prime is 65506006050073. The reversal of 65506006050064 is 46005060060556.

It is a self number, because there is not a number n which added to its sum of digits gives 65506006050064.

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, 640256227 + ... + 640358530.

It is an arithmetic number, because the mean of its divisors is an integer number (3334720829832).

Almost surely, 2^{65506006050064} is an apocalyptic number.

It is an amenable number.

65506006050064 is an abundant number, since it is smaller than the sum of its proper divisors (67882827143216).

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

65506006050064 is a wasteful number, since it uses less digits than its factorization.

65506006050064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280614927 (or 1280614921 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 65506006050064 in words is "sixty-five trillion, five hundred six billion, six million, fifty thousand, sixty-four".