168489337 has 2 divisors, whose sum is σ = 168489338. Its totient is φ = 168489336.

The previous prime is 168489323. The next prime is 168489341. The reversal of 168489337 is 733984861.

It is a happy number.

168489337 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., 164249856 + 4239481 = 12816^2 + 2059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168489337 is a prime.

It is not a weakly prime, because it can be changed into another prime (168489637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84244668 + 84244669.

It is an arithmetic number, because the mean of its divisors is an integer number (84244669).

Almost surely, 2^168489337 is an apocalyptic number.

It is an amenable number.

168489337 is a deficient number, since it is larger than the sum of its proper divisors (1).

168489337 is an equidigital number, since it uses as much as digits as its factorization.

168489337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 168489337 is about 12980.3442558354. The cubic root of 168489337 is about 552.3200475898.

The spelling of 168489337 in words is "one hundred sixty-eight million, four hundred eighty-nine thousand, three hundred thirty-seven".