168880093 has 2 divisors, whose sum is σ = 168880094. Its totient is φ = 168880092.

The previous prime is 168880087. The next prime is 168880141. The reversal of 168880093 is 390088861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141443449 + 27436644 = 11893^2 + 5238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168880093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168880003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84440046 + 84440047.

It is an arithmetic number, because the mean of its divisors is an integer number (84440047).

Almost surely, 2^168880093 is an apocalyptic number.

It is an amenable number.

168880093 is a deficient number, since it is larger than the sum of its proper divisors (1).

168880093 is an equidigital number, since it uses as much as digits as its factorization.

168880093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 168880093 is about 12995.3873739877. The cubic root of 168880093 is about 552.7466932712.

The spelling of 168880093 in words is "one hundred sixty-eight million, eight hundred eighty thousand, ninety-three".