80081912687616 has 880 divisors, whose sum is σ = 279169325487360. Its totient is φ = 22391655137280.

The previous prime is 80081912687599. The next prime is 80081912687671. The reversal of 80081912687616 is 61678621918008.

80081912687616 is a `hidden beast` number, since 8 + 0 + 0 + 8 + 1 + 9 + 1 + 2 + 6 + 8 + 7 + 616 = 666.

It is a super-2 number, since 2×80081912687616² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12893558751 + ... + 12893564961.

It is an arithmetic number, because the mean of its divisors is an integer number (317237869872).

Almost surely, 2^{80081912687616} 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 80081912687616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139584662743680).

80081912687616 is an abundant number, since it is smaller than the sum of its proper divisors (199087412799744).

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

80081912687616 is a wasteful number, since it uses less digits than its factorization.

80081912687616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722 (or 6695 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 80081912687616 in words is "eighty trillion, eighty-one billion, nine hundred twelve million, six hundred eighty-seven thousand, six hundred sixteen".