16359391 has 2 divisors, whose sum is σ = 16359392. Its totient is φ = 16359390.

The previous prime is 16359379. The next prime is 16359397. The reversal of 16359391 is 19395361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16359391 - 2⁷ = 16359263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16359391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16359397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8179695 + 8179696.

It is an arithmetic number, because the mean of its divisors is an integer number (8179696).

Almost surely, 2^16359391 is an apocalyptic number.

16359391 is a deficient number, since it is larger than the sum of its proper divisors (1).

16359391 is an equidigital number, since it uses as much as digits as its factorization.

16359391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870, while the sum is 37.

The square root of 16359391 is about 4044.6743997509. The cubic root of 16359391 is about 253.8569419893.

It can be divided in two parts, 1635 and 9391, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 16359391 in words is "sixteen million, three hundred fifty-nine thousand, three hundred ninety-one".