65662270688 has 48 divisors (see below), whose sum is σ = 147757649760. Its totient is φ = 28137632256.

The previous prime is 65662270669. The next prime is 65662270691. The reversal of 65662270688 is 88607226656.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191378 + ... + 3211886.

It is an arithmetic number, because the mean of its divisors is an integer number (3078284370).

Almost surely, 2^65662270688 is an apocalyptic number.

It is an amenable number.

65662270688 is an abundant number, since it is smaller than the sum of its proper divisors (82095379072).

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

65662270688 is a wasteful number, since it uses less digits than its factorization.

65662270688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34819 (or 34811 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 65662270688 in words is "sixty-five billion, six hundred sixty-two million, two hundred seventy thousand, six hundred eighty-eight".