10666716658 has 16 divisors (see below), whose sum is σ = 17362388736. Its totient is φ = 4885517520.

The previous prime is 10666716653. The next prime is 10666716659. The reversal of 10666716658 is 85661766601.

It is a happy number.

It is a super-2 number, since 2×10666716658² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666716653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562466 + ... + 1569277.

It is an arithmetic number, because the mean of its divisors is an integer number (1085149296).

Almost surely, 2^10666716658 is an apocalyptic number.

10666716658 is a deficient number, since it is larger than the sum of its proper divisors (6695672078).

10666716658 is a wasteful number, since it uses less digits than its factorization.

10666716658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131889.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 10666716658 in words is "ten billion, six hundred sixty-six million, seven hundred sixteen thousand, six hundred fifty-eight".