168446797 has 2 divisors, whose sum is σ = 168446798. Its totient is φ = 168446796.

The previous prime is 168446791. The next prime is 168446807. The reversal of 168446797 is 797644861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91604041 + 76842756 = 9571^2 + 8766^2 .

It is a cyclic number.

It is not a de Polignac number, because 168446797 - 2⁷ = 168446669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168446791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84223398 + 84223399.

It is an arithmetic number, because the mean of its divisors is an integer number (84223399).

Almost surely, 2^168446797 is an apocalyptic number.

It is an amenable number.

168446797 is a deficient number, since it is larger than the sum of its proper divisors (1).

168446797 is an equidigital number, since it uses as much as digits as its factorization.

168446797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 168446797 is about 12978.7055209678. The cubic root of 168446797 is about 552.2735606272.

The spelling of 168446797 in words is "one hundred sixty-eight million, four hundred forty-six thousand, seven hundred ninety-seven".