168834997 has 2 divisors, whose sum is σ = 168834998. Its totient is φ = 168834996.

The previous prime is 168834989. The next prime is 168835001. The reversal of 168834997 is 799438861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144144036 + 24690961 = 12006^2 + 4969^2 .

It is a cyclic number.

It is not a de Polignac number, because 168834997 - 2³ = 168834989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168834907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84417498 + 84417499.

It is an arithmetic number, because the mean of its divisors is an integer number (84417499).

Almost surely, 2^168834997 is an apocalyptic number.

It is an amenable number.

168834997 is a deficient number, since it is larger than the sum of its proper divisors (1).

168834997 is an equidigital number, since it uses as much as digits as its factorization.

168834997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 168834997 is about 12993.6521809690. The cubic root of 168834997 is about 552.6974889640.

The spelling of 168834997 in words is "one hundred sixty-eight million, eight hundred thirty-four thousand, nine hundred ninety-seven".