65980648134 has 24 divisors (see below), whose sum is σ = 143108116632. Its totient is φ = 21970465440.

The previous prime is 65980648049. The next prime is 65980648147. The reversal of 65980648134 is 43184608956.

65980648134 is a `hidden beast` number, since 6 + 59 + 80 + 6 + 481 + 34 = 666.

65980648134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1906032 + ... + 1940339.

It is an arithmetic number, because the mean of its divisors is an integer number (5962838193).

Almost surely, 2^65980648134 is an apocalyptic number.

65980648134 is an abundant number, since it is smaller than the sum of its proper divisors (77127468498).

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

65980648134 is a wasteful number, since it uses less digits than its factorization.

65980648134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847332 (or 3847329 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 65980648134 in words is "sixty-five billion, nine hundred eighty million, six hundred forty-eight thousand, one hundred thirty-four".