65709081460680 has 64 divisors (see below), whose sum is σ = 225288279296640. Its totient is φ = 15019218619392.

The previous prime is 65709081460663. The next prime is 65709081460697. The reversal of 65709081460680 is 8606418090756.

It is an interprime number because it is at equal distance from previous prime (65709081460663) and next prime (65709081460697).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39112547649 + ... + 39112549328.

It is an arithmetic number, because the mean of its divisors is an integer number (3520129364010).

Almost surely, 2^{65709081460680} is an apocalyptic number.

65709081460680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65709081460680 is an abundant number, since it is smaller than the sum of its proper divisors (159579197835960).

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

65709081460680 is a wasteful number, since it uses less digits than its factorization.

65709081460680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78225096998 (or 78225096994 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 65709081460680 in words is "sixty-five trillion, seven hundred nine billion, eighty-one million, four hundred sixty thousand, six hundred eighty".