108360090661 has 2 divisors, whose sum is σ = 108360090662. Its totient is φ = 108360090660.

The previous prime is 108360090653. The next prime is 108360090721. The reversal of 108360090661 is 166090063801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61023820900 + 47336269761 = 247030^2 + 217569^2 .

It is a cyclic number.

It is not a de Polignac number, because 108360090661 - 2³ = 108360090653 is a prime.

It is a super-4 number, since 4×108360090661⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108360190661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54180045330 + 54180045331.

It is an arithmetic number, because the mean of its divisors is an integer number (54180045331).

Almost surely, 2^108360090661 is an apocalyptic number.

It is an amenable number.

108360090661 is a deficient number, since it is larger than the sum of its proper divisors (1).

108360090661 is an equidigital number, since it uses as much as digits as its factorization.

108360090661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 108360090661 in words is "one hundred eight billion, three hundred sixty million, ninety thousand, six hundred sixty-one".