65816878461360 has 160 divisors (see below), whose sum is σ = 221742963583680. Its totient is φ = 16052443951104.

The previous prime is 65816878461359. The next prime is 65816878461401. The reversal of 65816878461360 is 6316487861856.

It is a super-2 number, since 2×65816878461360² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96426679 + ... + 97106838.

It is an arithmetic number, because the mean of its divisors is an integer number (1385893522398).

Almost surely, 2^{65816878461360} is an apocalyptic number.

65816878461360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65816878461360 is an abundant number, since it is smaller than the sum of its proper divisors (155926085122320).

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

65816878461360 is a wasteful number, since it uses less digits than its factorization.

65816878461360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193533655 (or 193533649 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 69.

The spelling of 65816878461360 in words is "sixty-five trillion, eight hundred sixteen billion, eight hundred seventy-eight million, four hundred sixty-one thousand, three hundred sixty".