461916862866 has 16 divisors (see below), whose sum is σ = 1026481917600. Its totient is φ = 153972287604.

The previous prime is 461916862859. The next prime is 461916862969. The reversal of 461916862866 is 668268619164.

461916862866 is a `hidden beast` number, since 4 + 619 + 1 + 6 + 8 + 6 + 2 + 8 + 6 + 6 = 666.

It is a Curzon 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, 4277007936 + ... + 4277008043.

It is an arithmetic number, because the mean of its divisors is an integer number (64155119850).

Almost surely, 2^461916862866 is an apocalyptic number.

461916862866 is an abundant number, since it is smaller than the sum of its proper divisors (564565054734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461916862866 is a wasteful number, since it uses less digits than its factorization.

461916862866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554015990 (or 8554015984 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 461916862866 in words is "four hundred sixty-one billion, nine hundred sixteen million, eight hundred sixty-two thousand, eight hundred sixty-six".