800766666634 has 16 divisors (see below), whose sum is σ = 1310423922720. Its totient is φ = 363963051760.

The previous prime is 800766666629. The next prime is 800766666677. The reversal of 800766666634 is 436666667008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711184 + ... + 1451659.

It is an arithmetic number, because the mean of its divisors is an integer number (81901495170).

Almost surely, 2^800766666634 is an apocalyptic number.

800766666634 is a deficient number, since it is larger than the sum of its proper divisors (509657256086).

800766666634 is a wasteful number, since it uses less digits than its factorization.

800766666634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179685.

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 800766666634 in words is "eight hundred billion, seven hundred sixty-six million, six hundred sixty-six thousand, six hundred thirty-four".