811824418466 has 16 divisors (see below), whose sum is σ = 1220162103168. Its totient is φ = 405103842000.

The previous prime is 811824418459. The next prime is 811824418541. The reversal of 811824418466 is 664814428118.

It is a happy number.

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, 18336236 + ... + 18380456.

It is an arithmetic number, because the mean of its divisors is an integer number (76260131448).

Almost surely, 2^811824418466 is an apocalyptic number.

811824418466 is a deficient number, since it is larger than the sum of its proper divisors (408337684702).

811824418466 is a wasteful number, since it uses less digits than its factorization.

811824418466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62297.

The product of its digits is 2359296, while the sum is 53.

The spelling of 811824418466 in words is "eight hundred eleven billion, eight hundred twenty-four million, four hundred eighteen thousand, four hundred sixty-six".