16168253 has 2 divisors, whose sum is σ = 16168254. Its totient is φ = 16168252.

The previous prime is 16168247. The next prime is 16168261. The reversal of 16168253 is 35286161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13271449 + 2896804 = 3643^2 + 1702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16168253 is a prime.

It is a super-2 number, since 2×16168253² = 522824810144018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16161253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8084126 + 8084127.

It is an arithmetic number, because the mean of its divisors is an integer number (8084127).

Almost surely, 2^16168253 is an apocalyptic number.

It is an amenable number.

16168253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16168253 is an equidigital number, since it uses as much as digits as its factorization.

16168253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 16168253 is about 4020.9766226627. The cubic root of 16168253 is about 252.8644047319.

The spelling of 16168253 in words is "sixteen million, one hundred sixty-eight thousand, two hundred fifty-three".