168534053 has 2 divisors, whose sum is σ = 168534054. Its totient is φ = 168534052.

The previous prime is 168534019. The next prime is 168534101. The reversal of 168534053 is 350435861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158936449 + 9597604 = 12607^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 168534053 - 2⁸ = 168533797 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168534953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84267026 + 84267027.

It is an arithmetic number, because the mean of its divisors is an integer number (84267027).

Almost surely, 2^168534053 is an apocalyptic number.

It is an amenable number.

168534053 is a deficient number, since it is larger than the sum of its proper divisors (1).

168534053 is an equidigital number, since it uses as much as digits as its factorization.

168534053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 168534053 is about 12982.0665920338. The cubic root of 168534053 is about 552.3689040123.

The spelling of 168534053 in words is "one hundred sixty-eight million, five hundred thirty-four thousand, fifty-three".