104881166993 has 2 divisors, whose sum is σ = 104881166994. Its totient is φ = 104881166992.

The previous prime is 104881166989. The next prime is 104881167019. The reversal of 104881166993 is 399661188401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60975412624 + 43905754369 = 246932^2 + 209537^2 .

It is a cyclic number.

It is not a de Polignac number, because 104881166993 - 2² = 104881166989 is a prime.

It is a super-2 number, since 2×104881166993² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104881166933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52440583496 + 52440583497.

It is an arithmetic number, because the mean of its divisors is an integer number (52440583497).

Almost surely, 2^104881166993 is an apocalyptic number.

It is an amenable number.

104881166993 is a deficient number, since it is larger than the sum of its proper divisors (1).

104881166993 is an equidigital number, since it uses as much as digits as its factorization.

104881166993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 104881166993 in words is "one hundred four billion, eight hundred eighty-one million, one hundred sixty-six thousand, nine hundred ninety-three".