80161536 has 288 divisors, whose sum is σ = 278376448. Its totient is φ = 19906560.

The previous prime is 80161451. The next prime is 80161561. The reversal of 80161536 is 63516108.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166510 + ... + 2166546.

Almost surely, 2^80161536 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 80161536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139188224).

80161536 is an abundant number, since it is smaller than the sum of its proper divisors (198214912).

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

80161536 is a wasteful number, since it uses less digits than its factorization.

80161536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 80161536 is about 8953.2974931028. The cubic root of 80161536 is about 431.1767586603.

The spelling of 80161536 in words is "eighty million, one hundred sixty-one thousand, five hundred thirty-six".