866827373112164 has 12 divisors (see below), whose sum is σ = 1535224383705264. Its totient is φ = 428191834910664.

The previous prime is 866827373112149. The next prime is 866827373112187. The reversal of 866827373112164 is 461211373728668.

It is a happy number.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 866827373112164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305462910982 + ... + 1305462911645.

It is an arithmetic number, because the mean of its divisors is an integer number (127935365308772).

Almost surely, 2^{866827373112164} is an apocalyptic number.

It is an amenable number.

866827373112164 is a deficient number, since it is larger than the sum of its proper divisors (668397010593100).

866827373112164 is a wasteful number, since it uses less digits than its factorization.

866827373112164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610925822714 (or 2610925822712 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 65.

The spelling of 866827373112164 in words is "eight hundred sixty-six trillion, eight hundred twenty-seven billion, three hundred seventy-three million, one hundred twelve thousand, one hundred sixty-four".