561664002332252 has 6 divisors (see below), whose sum is σ = 982912004081448. Its totient is φ = 280832001166124.

The previous prime is 561664002332249. The next prime is 561664002332287. The reversal of 561664002332252 is 252233200466165.

It is a junction number, because it is equal to n+sod(n) for n = 561664002332197 and 561664002332206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70208000291528 + ... + 70208000291535.

It is an arithmetic number, because the mean of its divisors is an integer number (163818667346908).

Almost surely, 2^{561664002332252} is an apocalyptic number.

It is an amenable number.

561664002332252 is a deficient number, since it is larger than the sum of its proper divisors (421248001749196).

561664002332252 is a wasteful number, since it uses less digits than its factorization.

561664002332252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140416000583067 (or 140416000583065 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 561664002332252 in words is "five hundred sixty-one trillion, six hundred sixty-four billion, two million, three hundred thirty-two thousand, two hundred fifty-two".