412816561836 has 24 divisors (see below), whose sum is σ = 1100844165120. Its totient is φ = 117947589072.

The previous prime is 412816561813. The next prime is 412816561847. The reversal of 412816561836 is 638165618214.

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, 2457241356 + ... + 2457241523.

It is an arithmetic number, because the mean of its divisors is an integer number (45868506880).

Almost surely, 2^412816561836 is an apocalyptic number.

It is an amenable number.

412816561836 is an abundant number, since it is smaller than the sum of its proper divisors (688027603284).

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

412816561836 is a wasteful number, since it uses less digits than its factorization.

412816561836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914482893 (or 4914482891 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 412816561836 in words is "four hundred twelve billion, eight hundred sixteen million, five hundred sixty-one thousand, eight hundred thirty-six".