168357311149 has 2 divisors, whose sum is σ = 168357311150. Its totient is φ = 168357311148.

The previous prime is 168357311041. The next prime is 168357311159. The reversal of 168357311149 is 941113753861.

It is a happy number.

168357311149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115787075625 + 52570235524 = 340275^2 + 229282^2 .

It is a cyclic number.

It is not a de Polignac number, because 168357311149 - 2¹³ = 168357302957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168357311159) 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, 84178655574 + 84178655575.

It is an arithmetic number, because the mean of its divisors is an integer number (84178655575).

Almost surely, 2^168357311149 is an apocalyptic number.

It is an amenable number.

168357311149 is a deficient number, since it is larger than the sum of its proper divisors (1).

168357311149 is an equidigital number, since it uses as much as digits as its factorization.

168357311149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The spelling of 168357311149 in words is "one hundred sixty-eight billion, three hundred fifty-seven million, three hundred eleven thousand, one hundred forty-nine".