22666166426611 has 2 divisors, whose sum is σ = 22666166426612. Its totient is φ = 22666166426610.

The previous prime is 22666166426597. The next prime is 22666166426677. The reversal of 22666166426611 is 11662466166622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22666166426611 - 2⁷ = 22666166426483 is a prime.

It is not a weakly prime, because it can be changed into another prime (22666166426411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333083213305 + 11333083213306.

It is an arithmetic number, because the mean of its divisors is an integer number (11333083213306).

Almost surely, 2^{22666166426611} is an apocalyptic number.

22666166426611 is a deficient number, since it is larger than the sum of its proper divisors (1).

22666166426611 is an equidigital number, since it uses as much as digits as its factorization.

22666166426611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 55.

The spelling of 22666166426611 in words is "twenty-two trillion, six hundred sixty-six billion, one hundred sixty-six million, four hundred twenty-six thousand, six hundred eleven".