65067775456 has 24 divisors (see below), whose sum is σ = 129080070504. Its totient is φ = 32285535360.

The previous prime is 65067775453. The next prime is 65067775471. The reversal of 65067775456 is 65457776056.

It is a self number, because there is not a number n which added to its sum of digits gives 65067775456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65067775453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7756755 + ... + 7765138.

It is an arithmetic number, because the mean of its divisors is an integer number (5378336271).

Almost surely, 2^65067775456 is an apocalyptic number.

It is an amenable number.

65067775456 is a deficient number, since it is larger than the sum of its proper divisors (64012295048).

65067775456 is a wasteful number, since it uses less digits than its factorization.

65067775456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15522034 (or 15522026 counting only the distinct ones).

The product of its (nonzero) digits is 37044000, while the sum is 58.

The spelling of 65067775456 in words is "sixty-five billion, sixty-seven million, seven hundred seventy-five thousand, four hundred fifty-six".