10397715866 has 16 divisors (see below), whose sum is σ = 16016871528. Its totient is φ = 5059392000.

The previous prime is 10397715851. The next prime is 10397715871. The reversal of 10397715866 is 66851779301.

It can be written as a sum of positive squares in 4 ways, for example, as 10244476225 + 153239641 = 101215^2 + 12379^2 .

It is a super-2 number, since 2×10397715866² (a number of 21 digits) contains 22 as substring.

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, 125225 + ... + 190988.

Almost surely, 2^10397715866 is an apocalyptic number.

10397715866 is a deficient number, since it is larger than the sum of its proper divisors (5619155662).

10397715866 is a wasteful number, since it uses less digits than its factorization.

10397715866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316657.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 10397715866 in words is "ten billion, three hundred ninety-seven million, seven hundred fifteen thousand, eight hundred sixty-six".