561002034666 has 16 divisors (see below), whose sum is σ = 1122054058944. Its totient is φ = 186992346624.

The previous prime is 561002034623. The next prime is 561002034683. The reversal of 561002034666 is 666430200165.

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, 1936215 + ... + 2207018.

It is an arithmetic number, because the mean of its divisors is an integer number (70128378684).

Almost surely, 2^561002034666 is an apocalyptic number.

561002034666 is an abundant number, since it is smaller than the sum of its proper divisors (561052024278).

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

561002034666 is a wasteful number, since it uses less digits than its factorization.

561002034666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165805.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 561002034666 in words is "five hundred sixty-one billion, two million, thirty-four thousand, six hundred sixty-six".