561676706500 has 96 divisors (see below), whose sum is σ = 1509787109376. Its totient is φ = 177761404800.

The previous prime is 561676706467. The next prime is 561676706501. The reversal of 561676706500 is 5607676165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (561676706501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6126772 + ... + 6217771.

It is an arithmetic number, because the mean of its divisors is an integer number (15726949056).

Almost surely, 2^561676706500 is an apocalyptic number.

561676706500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561676706500 is an abundant number, since it is smaller than the sum of its proper divisors (948110402876).

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

561676706500 is a wasteful number, since it uses less digits than its factorization.

561676706500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344582 (or 12344570 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 561676706500 in words is "five hundred sixty-one billion, six hundred seventy-six million, seven hundred six thousand, five hundred".