80666808134 has 32 divisors (see below), whose sum is σ = 132485345280. Its totient is φ = 36532188000.

The previous prime is 80666808119. The next prime is 80666808161. The reversal of 80666808134 is 43180866608.

It is a happy number.

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, 8851172 + ... + 8860280.

It is an arithmetic number, because the mean of its divisors is an integer number (4140167040).

Almost surely, 2^80666808134 is an apocalyptic number.

80666808134 is a deficient number, since it is larger than the sum of its proper divisors (51818537146).

80666808134 is a wasteful number, since it uses less digits than its factorization.

80666808134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 80666808134 in words is "eighty billion, six hundred sixty-six million, eight hundred eight thousand, one hundred thirty-four".