80013382800660 has 72 divisors (see below), whose sum is σ = 251076477080520. Its totient is φ = 20601146834688.

The previous prime is 80013382800599. The next prime is 80013382800683. The reversal of 80013382800660 is 6600828331008.

It can be written as a sum of positive squares in 4 ways, for example, as 658103847696 + 79355278952964 = 811236^2 + 8908158^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7664111907 + ... + 7664122346.

It is an arithmetic number, because the mean of its divisors is an integer number (3487173292785).

Almost surely, 2^{80013382800660} is an apocalyptic number.

It is an amenable number.

80013382800660 is an abundant number, since it is smaller than the sum of its proper divisors (171063094279860).

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

80013382800660 is a wasteful number, since it uses less digits than its factorization.

80013382800660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15328234297 (or 15328234292 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 80013382800660 in words is "eighty trillion, thirteen billion, three hundred eighty-two million, eight hundred thousand, six hundred sixty".