16497479 has 2 divisors, whose sum is σ = 16497480. Its totient is φ = 16497478.

The previous prime is 16497473. The next prime is 16497527. The reversal of 16497479 is 97479461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16497479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16497473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8248739 + 8248740.

It is an arithmetic number, because the mean of its divisors is an integer number (8248740).

Almost surely, 2^16497479 is an apocalyptic number.

16497479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16497479 is an equidigital number, since it uses as much as digits as its factorization.

16497479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 16497479 is about 4061.7088768153. The cubic root of 16497479 is about 254.5692021328.

The spelling of 16497479 in words is "sixteen million, four hundred ninety-seven thousand, four hundred seventy-nine".