16291463 has 2 divisors, whose sum is σ = 16291464. Its totient is φ = 16291462.

The previous prime is 16291439. The next prime is 16291481. The reversal of 16291463 is 36419261.

It is a strong prime.

It is an emirp because it is prime and its reverse (36419261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16291463 - 2⁸ = 16291207 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 (16291403) 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, 8145731 + 8145732.

It is an arithmetic number, because the mean of its divisors is an integer number (8145732).

Almost surely, 2^16291463 is an apocalyptic number.

16291463 is a deficient number, since it is larger than the sum of its proper divisors (1).

16291463 is an equidigital number, since it uses as much as digits as its factorization.

16291463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 16291463 is about 4036.2684499423. The cubic root of 16291463 is about 253.5050968505.

The spelling of 16291463 in words is "sixteen million, two hundred ninety-one thousand, four hundred sixty-three".