65760828912 has 80 divisors (see below), whose sum is σ = 189459972000. Its totient is φ = 21838749696.

The previous prime is 65760828911. The next prime is 65760828919. The reversal of 65760828912 is 21982806756.

65760828912 is a `hidden beast` number, since 6 + 5 + 7 + 608 + 28 + 9 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65760828911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166737 + ... + 399152.

It is an arithmetic number, because the mean of its divisors is an integer number (2368249650).

Almost surely, 2^65760828912 is an apocalyptic number.

It is an amenable number.

65760828912 is an abundant number, since it is smaller than the sum of its proper divisors (123699143088).

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

65760828912 is a wasteful number, since it uses less digits than its factorization.

65760828912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566175 (or 566163 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 65760828912 in words is "sixty-five billion, seven hundred sixty million, eight hundred twenty-eight thousand, nine hundred twelve".