65325252864 has 72 divisors (see below), whose sum is σ = 176309324352. Its totient is φ = 21468375040.

The previous prime is 65325252829. The next prime is 65325252871. The reversal of 65325252864 is 46825252356.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544479 + ... + 653534.

It is an arithmetic number, because the mean of its divisors is an integer number (2448740616).

Almost surely, 2^65325252864 is an apocalyptic number.

65325252864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65325252864 is an abundant number, since it is smaller than the sum of its proper divisors (110984071488).

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

65325252864 is a wasteful number, since it uses less digits than its factorization.

65325252864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198103 (or 1198089 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The spelling of 65325252864 in words is "sixty-five billion, three hundred twenty-five million, two hundred fifty-two thousand, eight hundred sixty-four".