16144979 has 2 divisors, whose sum is σ = 16144980. Its totient is φ = 16144978.

The previous prime is 16144969. The next prime is 16144991. The reversal of 16144979 is 97944161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16144979 - 2⁴ = 16144963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16144969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8072489 + 8072490.

It is an arithmetic number, because the mean of its divisors is an integer number (8072490).

Almost surely, 2^16144979 is an apocalyptic number.

16144979 is a deficient number, since it is larger than the sum of its proper divisors (1).

16144979 is an equidigital number, since it uses as much as digits as its factorization.

16144979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 16144979 is about 4018.0815073863. The cubic root of 16144979 is about 252.7430147403.

The spelling of 16144979 in words is "sixteen million, one hundred forty-four thousand, nine hundred seventy-nine".