10664372356691 has 2 divisors, whose sum is σ = 10664372356692. Its totient is φ = 10664372356690.

The previous prime is 10664372356681. The next prime is 10664372356709. The reversal of 10664372356691 is 19665327346601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10664372356691 - 2³⁰ = 10663298614867 is a prime.

It is a super-2 number, since 2×10664372356691² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10664372356691.

It is not a weakly prime, because it can be changed into another prime (10664372356681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332186178345 + 5332186178346.

It is an arithmetic number, because the mean of its divisors is an integer number (5332186178346).

Almost surely, 2^{10664372356691} is an apocalyptic number.

10664372356691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10664372356691 is an equidigital number, since it uses as much as digits as its factorization.

10664372356691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 59.

The spelling of 10664372356691 in words is "ten trillion, six hundred sixty-four billion, three hundred seventy-two million, three hundred fifty-six thousand, six hundred ninety-one".