16491467 has 2 divisors, whose sum is σ = 16491468. Its totient is φ = 16491466.

The previous prime is 16491443. The next prime is 16491493. The reversal of 16491467 is 76419461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (76419461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16491467 - 2¹⁰ = 16490443 is a prime.

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 16491467.

It is not a weakly prime, because it can be changed into another prime (16491367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8245733 + 8245734.

It is an arithmetic number, because the mean of its divisors is an integer number (8245734).

Almost surely, 2^16491467 is an apocalyptic number.

16491467 is a deficient number, since it is larger than the sum of its proper divisors (1).

16491467 is an equidigital number, since it uses as much as digits as its factorization.

16491467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 16491467 is about 4060.9687267941. The cubic root of 16491467 is about 254.5382750642.

The spelling of 16491467 in words is "sixteen million, four hundred ninety-one thousand, four hundred sixty-seven".