80178070165 has 16 divisors (see below), whose sum is σ = 96847073280. Its totient is φ = 63720371520.

The previous prime is 80178070157. The next prime is 80178070201. The reversal of 80178070165 is 56107087108.

It is not a de Polignac number, because 80178070165 - 2³ = 80178070157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5417746 + ... + 5432524.

It is an arithmetic number, because the mean of its divisors is an integer number (6052942080).

Almost surely, 2^80178070165 is an apocalyptic number.

It is an amenable number.

80178070165 is a deficient number, since it is larger than the sum of its proper divisors (16669003115).

80178070165 is a wasteful number, since it uses less digits than its factorization.

80178070165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21852.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 80178070165 in words is "eighty billion, one hundred seventy-eight million, seventy thousand, one hundred sixty-five".