80659116 has 18 divisors (see below), whose sum is σ = 203888412. Its totient is φ = 26886360.

The previous prime is 80659093. The next prime is 80659127. The reversal of 80659116 is 61195608.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2240531 = 80659116 / (8 + 0 + 6 + 5 + 9 + 1 + 1 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120230 + ... + 1120301.

It is an arithmetic number, because the mean of its divisors is an integer number (11327134).

Almost surely, 2^80659116 is an apocalyptic number.

It is an amenable number.

80659116 is an abundant number, since it is smaller than the sum of its proper divisors (123229296).

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

80659116 is a wasteful number, since it uses less digits than its factorization.

80659116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240541 (or 2240536 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 80659116 is about 8981.0420330828. The cubic root of 80659116 is about 432.0670549204.

The spelling of 80659116 in words is "eighty million, six hundred fifty-nine thousand, one hundred sixteen".