461680783564 has 72 divisors (see below), whose sum is σ = 1090748913408. Its totient is φ = 166039024320.

The previous prime is 461680783559. The next prime is 461680783573. The reversal of 461680783564 is 465387086164.

It is a junction number, because it is equal to n+sod(n) for n = 461680783499 and 461680783508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4382752 + ... + 4486855.

It is an arithmetic number, because the mean of its divisors is an integer number (15149290464).

Almost surely, 2^461680783564 is an apocalyptic number.

461680783564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

461680783564 is an abundant number, since it is smaller than the sum of its proper divisors (629068129844).

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

461680783564 is a wasteful number, since it uses less digits than its factorization.

461680783564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869655 (or 8869640 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 461680783564 in words is "four hundred sixty-one billion, six hundred eighty million, seven hundred eighty-three thousand, five hundred sixty-four".