16591151 has 2 divisors, whose sum is σ = 16591152. Its totient is φ = 16591150.

The previous prime is 16591147. The next prime is 16591181. The reversal of 16591151 is 15119561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16591151 - 2² = 16591147 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16591121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8295575 + 8295576.

It is an arithmetic number, because the mean of its divisors is an integer number (8295576).

Almost surely, 2^16591151 is an apocalyptic number.

16591151 is a deficient number, since it is larger than the sum of its proper divisors (1).

16591151 is an equidigital number, since it uses as much as digits as its factorization.

16591151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 29.

The square root of 16591151 is about 4073.2236619169. The cubic root of 16591151 is about 255.0501042132.

The spelling of 16591151 in words is "sixteen million, five hundred ninety-one thousand, one hundred fifty-one".