65688015144 has 16 divisors (see below), whose sum is σ = 164220037920. Its totient is φ = 21896005040.

The previous prime is 65688015139. The next prime is 65688015163. The reversal of 65688015144 is 44151088656.

65688015144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65688015093 and 65688015102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368500292 + ... + 1368500339.

It is an arithmetic number, because the mean of its divisors is an integer number (10263752370).

Almost surely, 2^65688015144 is an apocalyptic number.

It is an amenable number.

65688015144 is an abundant number, since it is smaller than the sum of its proper divisors (98532022776).

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

65688015144 is a wasteful number, since it uses less digits than its factorization.

65688015144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737000640 (or 2737000636 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 65688015144 in words is "sixty-five billion, six hundred eighty-eight million, fifteen thousand, one hundred forty-four".