80643911160 has 64 divisors (see below), whose sum is σ = 256163018400. Its totient is φ = 20240039936.

The previous prime is 80643911149. The next prime is 80643911171. The reversal of 80643911160 is 6111934608.

It is an interprime number because it is at equal distance from previous prime (80643911149) and next prime (80643911171).

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, 19763625 + ... + 19767704.

Almost surely, 2^80643911160 is an apocalyptic number.

It is an amenable number.

80643911160 is an abundant number, since it is smaller than the sum of its proper divisors (175519107240).

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

80643911160 is a wasteful number, since it uses less digits than its factorization.

80643911160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39531360 (or 39531356 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 80643911160 in words is "eighty billion, six hundred forty-three million, nine hundred eleven thousand, one hundred sixty".