65839661076 has 48 divisors (see below), whose sum is σ = 176075580800. Its totient is φ = 18757422720.

The previous prime is 65839661071. The next prime is 65839661077. The reversal of 65839661076 is 67016693856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65839661071) 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, 1093615 + ... + 1152246.

Almost surely, 2^65839661076 is an apocalyptic number.

It is an amenable number.

65839661076 is an abundant number, since it is smaller than the sum of its proper divisors (110235919724).

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

65839661076 is a wasteful number, since it uses less digits than its factorization.

65839661076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246224 (or 2246222 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 65839661076 in words is "sixty-five billion, eight hundred thirty-nine million, six hundred sixty-one thousand, seventy-six".