80362061856 has 144 divisors (see below), whose sum is σ = 237104195328. Its totient is φ = 25791091200.

The previous prime is 80362061833. The next prime is 80362061861. The reversal of 80362061856 is 65816026308.

80362061856 is a `hidden beast` number, since 8 + 0 + 3 + 6 + 20 + 618 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1735971 + ... + 1781661.

It is an arithmetic number, because the mean of its divisors is an integer number (1646556912).

Almost surely, 2^80362061856 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 80362061856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118552097664).

80362061856 is an abundant number, since it is smaller than the sum of its proper divisors (156742133472).

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

80362061856 is a wasteful number, since it uses less digits than its factorization.

80362061856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45935 (or 45924 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 80362061856 in words is "eighty billion, three hundred sixty-two million, sixty-one thousand, eight hundred fifty-six".