561462882066 has 32 divisors (see below), whose sum is σ = 1247738253120. Its totient is φ = 187147850112.

The previous prime is 561462882041. The next prime is 561462882077. The reversal of 561462882066 is 660288264165.

561462882066 is a `hidden beast` number, since 5 + 6 + 1 + 4 + 628 + 8 + 2 + 0 + 6 + 6 = 666.

561462882066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558626 + ... + 1884738.

It is an arithmetic number, because the mean of its divisors is an integer number (38991820410).

Almost surely, 2^561462882066 is an apocalyptic number.

561462882066 is an abundant number, since it is smaller than the sum of its proper divisors (686275371054).

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

561462882066 is a wasteful number, since it uses less digits than its factorization.

561462882066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358007 (or 358001 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 561462882066 in words is "five hundred sixty-one billion, four hundred sixty-two million, eight hundred eighty-two thousand, sixty-six".