65479637111616 has 1008 divisors, whose sum is σ = 235844137611264. Its totient is φ = 16914257657856.

The previous prime is 65479637111599. The next prime is 65479637111659. The reversal of 65479637111616 is 61611173697456.

65479637111616 is a `hidden beast` number, since 6 + 5 + 4 + 7 + 9 + 6 + 3 + 7 + 1 + 1 + 1 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 69882216300 + ... + 69882217236.

Almost surely, 2^{65479637111616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65479637111616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117922068805632).

65479637111616 is an abundant number, since it is smaller than the sum of its proper divisors (170364500499648).

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

65479637111616 is a wasteful number, since it uses less digits than its factorization.

65479637111616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1404 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 65479637111616 in words is "sixty-five trillion, four hundred seventy-nine billion, six hundred thirty-seven million, one hundred eleven thousand, six hundred sixteen".