80356016556 has 36 divisors (see below), whose sum is σ = 203130876312. Its totient is φ = 26784188544.

The previous prime is 80356016537. The next prime is 80356016641. The reversal of 80356016556 is 65561065308.

80356016556 is a `hidden beast` number, since 8 + 0 + 35 + 60 + 1 + 6 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×80356016556² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1406851 + ... + 1462853.

It is an arithmetic number, because the mean of its divisors is an integer number (5642524342).

Almost surely, 2^80356016556 is an apocalyptic number.

It is an amenable number.

80356016556 is an abundant number, since it is smaller than the sum of its proper divisors (122774859756).

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

80356016556 is a wasteful number, since it uses less digits than its factorization.

80356016556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95870 (or 95865 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 80356016556 in words is "eighty billion, three hundred fifty-six million, sixteen thousand, five hundred fifty-six".