65913479916 has 24 divisors (see below), whose sum is σ = 155159168304. Its totient is φ = 21776724480.

The previous prime is 65913479881. The next prime is 65913479953. The reversal of 65913479916 is 61997431956.

It is a self number, because there is not a number n which added to its sum of digits gives 65913479916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24303025 + ... + 24305736.

It is an arithmetic number, because the mean of its divisors is an integer number (6464965346).

Almost surely, 2^65913479916 is an apocalyptic number.

It is an amenable number.

65913479916 is an abundant number, since it is smaller than the sum of its proper divisors (89245688388).

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

65913479916 is a wasteful number, since it uses less digits than its factorization.

65913479916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48608881 (or 48608879 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 60.

The spelling of 65913479916 in words is "sixty-five billion, nine hundred thirteen million, four hundred seventy-nine thousand, nine hundred sixteen".