10166680691 has 2 divisors, whose sum is σ = 10166680692. Its totient is φ = 10166680690.

The previous prime is 10166680681. The next prime is 10166680709. The reversal of 10166680691 is 19608666101.

It is a weak prime.

It is an emirp because it is prime and its reverse (19608666101) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 16908999101 and 10199980961.

It is a cyclic number.

It is not a de Polignac number, because 10166680691 - 2⁶ = 10166680627 is a prime.

It is a super-2 number, since 2×10166680691² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10166680621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5083340345 + 5083340346.

It is an arithmetic number, because the mean of its divisors is an integer number (5083340346).

Almost surely, 2^10166680691 is an apocalyptic number.

10166680691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10166680691 is an equidigital number, since it uses as much as digits as its factorization.

10166680691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 10166680691 in words is "ten billion, one hundred sixty-six million, six hundred eighty thousand, six hundred ninety-one".