800876165566 has 16 divisors (see below), whose sum is σ = 1209444882048. Its totient is φ = 397728639000.

The previous prime is 800876165561. The next prime is 800876165569. The reversal of 800876165566 is 665561678008.

It is a self number, because there is not a number n which added to its sum of digits gives 800876165566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800876165561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938721 + ... + 2315251.

It is an arithmetic number, because the mean of its divisors is an integer number (75590305128).

Almost surely, 2^800876165566 is an apocalyptic number.

800876165566 is a deficient number, since it is larger than the sum of its proper divisors (408568716482).

800876165566 is a wasteful number, since it uses less digits than its factorization.

800876165566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383727.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 800876165566 in words is "eight hundred billion, eight hundred seventy-six million, one hundred sixty-five thousand, five hundred sixty-six".