80156162016 has 144 divisors (see below), whose sum is σ = 261817920000. Its totient is φ = 22786562304.

The previous prime is 80156161993. The next prime is 80156162027. The reversal of 80156162016 is 61026165108.

80156162016 is a `hidden beast` number, since 8 + 0 + 1 + 5 + 616 + 20 + 16 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 301285 + ... + 501083.

It is an arithmetic number, because the mean of its divisors is an integer number (1818180000).

Almost surely, 2^80156162016 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 80156162016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130908960000).

80156162016 is an abundant number, since it is smaller than the sum of its proper divisors (181661757984).

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

80156162016 is a wasteful number, since it uses less digits than its factorization.

80156162016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200021 (or 200010 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 80156162016 in words is "eighty billion, one hundred fifty-six million, one hundred sixty-two thousand, sixteen".