10263970666 has 8 divisors (see below), whose sum is σ = 15450746724. Its totient is φ = 5113721760.

The previous prime is 10263970649. The next prime is 10263970669. The reversal of 10263970666 is 66607936201.

It can be written as a sum of positive squares in 2 ways, for example, as 10237190041 + 26780625 = 101179^2 + 5175^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10263970669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9131085 + ... + 9132208.

Almost surely, 2^10263970666 is an apocalyptic number.

10263970666 is a deficient number, since it is larger than the sum of its proper divisors (5186776058).

10263970666 is a wasteful number, since it uses less digits than its factorization.

10263970666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18263576.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 10263970666 in words is "ten billion, two hundred sixty-three million, nine hundred seventy thousand, six hundred sixty-six".