16295551 has 2 divisors, whose sum is σ = 16295552. Its totient is φ = 16295550.

The previous prime is 16295533. The next prime is 16295561. The reversal of 16295551 is 15559261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16295551 - 2⁵ = 16295519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16295561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8147775 + 8147776.

It is an arithmetic number, because the mean of its divisors is an integer number (8147776).

Almost surely, 2^16295551 is an apocalyptic number.

16295551 is a deficient number, since it is larger than the sum of its proper divisors (1).

16295551 is an equidigital number, since it uses as much as digits as its factorization.

16295551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 34.

The square root of 16295551 is about 4036.7748265168. The cubic root of 16295551 is about 253.5262990013.

The spelling of 16295551 in words is "sixteen million, two hundred ninety-five thousand, five hundred fifty-one".