812307164866 has 16 divisors (see below), whose sum is σ = 1225783679040. Its totient is φ = 403714516240.

The previous prime is 812307164831. The next prime is 812307164941. The reversal of 812307164866 is 668461703218.

812307164866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 375915 + ... + 1328881.

It is an arithmetic number, because the mean of its divisors is an integer number (76611479940).

Almost surely, 2^812307164866 is an apocalyptic number.

812307164866 is a deficient number, since it is larger than the sum of its proper divisors (413476514174).

812307164866 is a wasteful number, since it uses less digits than its factorization.

812307164866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955529.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 812307164866 in words is "eight hundred twelve billion, three hundred seven million, one hundred sixty-four thousand, eight hundred sixty-six".