80666800674 has 32 divisors (see below), whose sum is σ = 175440681216. Its totient is φ = 24623251200.

The previous prime is 80666800667. The next prime is 80666800681. The reversal of 80666800674 is 47600866608.

It is an interprime number because it is at equal distance from previous prime (80666800667) and next prime (80666800681).

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 10683402 + ... + 10690949.

It is an arithmetic number, because the mean of its divisors is an integer number (5482521288).

Almost surely, 2^80666800674 is an apocalyptic number.

80666800674 is an abundant number, since it is smaller than the sum of its proper divisors (94773880542).

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

80666800674 is a wasteful number, since it uses less digits than its factorization.

80666800674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21374410.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 80666800674 in words is "eighty billion, six hundred sixty-six million, eight hundred thousand, six hundred seventy-four".