10244558666 has 8 divisors (see below), whose sum is σ = 16270769700. Its totient is φ = 4820968768.

The previous prime is 10244558629. The next prime is 10244558677. The reversal of 10244558666 is 66685544201.

It can be written as a sum of positive squares in 2 ways, for example, as 9028990441 + 1215568225 = 95021^2 + 34865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10244558666² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10244558666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150655241 + ... + 150655308.

Almost surely, 2^10244558666 is an apocalyptic number.

10244558666 is a deficient number, since it is larger than the sum of its proper divisors (6026211034).

10244558666 is a wasteful number, since it uses less digits than its factorization.

10244558666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301310568.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 10244558666 in words is "ten billion, two hundred forty-four million, five hundred fifty-eight thousand, six hundred sixty-six".