561664002332330 has 64 divisors (see below), whose sum is σ = 1039300369689600. Its totient is φ = 218462515568640.

The previous prime is 561664002332311. The next prime is 561664002332383. The reversal of 561664002332330 is 33233200466165.

It is a super-4 number, since 4×561664002332330⁴ (a number of 60 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3661142666 + ... + 3661296074.

It is an arithmetic number, because the mean of its divisors is an integer number (16239068276400).

Almost surely, 2^{561664002332330} is an apocalyptic number.

561664002332330 is a deficient number, since it is larger than the sum of its proper divisors (477636367357270).

561664002332330 is a wasteful number, since it uses less digits than its factorization.

561664002332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224199.

The product of its (nonzero) digits is 1399680, while the sum is 44.

Adding to 561664002332330 its reverse (33233200466165), we get a palindrome (594897202798495).

The spelling of 561664002332330 in words is "five hundred sixty-one trillion, six hundred sixty-four billion, two million, three hundred thirty-two thousand, three hundred thirty".