65732311960 has 128 divisors (see below), whose sum is σ = 174867517440. Its totient is φ = 21761164800.

The previous prime is 65732311951. The next prime is 65732311969. The reversal of 65732311960 is 6911323756.

It is an interprime number because it is at equal distance from previous prime (65732311951) and next prime (65732311969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65732311969) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3993267 + ... + 4009693.

It is an arithmetic number, because the mean of its divisors is an integer number (1366152480).

Almost surely, 2^65732311960 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 65732311960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87433758720).

65732311960 is an abundant number, since it is smaller than the sum of its proper divisors (109135205480).

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

65732311960 is a wasteful number, since it uses less digits than its factorization.

65732311960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937 (or 16933 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 65732311960 in words is "sixty-five billion, seven hundred thirty-two million, three hundred eleven thousand, nine hundred sixty".