16164251 has 2 divisors, whose sum is σ = 16164252. Its totient is φ = 16164250.

The previous prime is 16164233. The next prime is 16164257. The reversal of 16164251 is 15246161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16164251 is a prime.

It is a super-2 number, since 2×16164251² = 522566020782002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16164251.

It is not a weakly prime, because it can be changed into another prime (16164257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8082125 + 8082126.

It is an arithmetic number, because the mean of its divisors is an integer number (8082126).

Almost surely, 2^16164251 is an apocalyptic number.

16164251 is a deficient number, since it is larger than the sum of its proper divisors (1).

16164251 is an equidigital number, since it uses as much as digits as its factorization.

16164251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 16164251 is about 4020.4789515678. The cubic root of 16164251 is about 252.8435398338.

The spelling of 16164251 in words is "sixteen million, one hundred sixty-four thousand, two hundred fifty-one".