168300997 has 2 divisors, whose sum is σ = 168300998. Its totient is φ = 168300996.

The previous prime is 168300983. The next prime is 168301043. The reversal of 168300997 is 799003861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130736356 + 37564641 = 11434^2 + 6129^2 .

It is an emirp because it is prime and its reverse (799003861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168300997 - 2¹⁵ = 168268229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168300907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84150498 + 84150499.

It is an arithmetic number, because the mean of its divisors is an integer number (84150499).

Almost surely, 2^168300997 is an apocalyptic number.

It is an amenable number.

168300997 is a deficient number, since it is larger than the sum of its proper divisors (1).

168300997 is an equidigital number, since it uses as much as digits as its factorization.

168300997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 168300997 is about 12973.0874120234. The cubic root of 168300997 is about 552.1141735494.

The spelling of 168300997 in words is "one hundred sixty-eight million, three hundred thousand, nine hundred ninety-seven".