16454791 has 2 divisors, whose sum is σ = 16454792. Its totient is φ = 16454790.

The previous prime is 16454761. The next prime is 16454813. The reversal of 16454791 is 19745461.

It is a strong prime.

It is an emirp because it is prime and its reverse (19745461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16454791 - 2⁷ = 16454663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16454791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16454701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8227395 + 8227396.

It is an arithmetic number, because the mean of its divisors is an integer number (8227396).

Almost surely, 2^16454791 is an apocalyptic number.

16454791 is a deficient number, since it is larger than the sum of its proper divisors (1).

16454791 is an equidigital number, since it uses as much as digits as its factorization.

16454791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 16454791 is about 4056.4505420380. The cubic root of 16454791 is about 254.3494425643.

The spelling of 16454791 in words is "sixteen million, four hundred fifty-four thousand, seven hundred ninety-one".