16078849 has 2 divisors, whose sum is σ = 16078850. Its totient is φ = 16078848.

The previous prime is 16078813. The next prime is 16078871. The reversal of 16078849 is 94887061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14938225 + 1140624 = 3865^2 + 1068^2 .

It is an emirp because it is prime and its reverse (94887061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16078849 - 2⁷ = 16078721 is a prime.

It is not a weakly prime, because it can be changed into another prime (16070849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8039424 + 8039425.

It is an arithmetic number, because the mean of its divisors is an integer number (8039425).

Almost surely, 2^16078849 is an apocalyptic number.

It is an amenable number.

16078849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16078849 is an equidigital number, since it uses as much as digits as its factorization.

16078849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 16078849 is about 4009.8440119286. The cubic root of 16078849 is about 252.3974631866.

The spelling of 16078849 in words is "sixteen million, seventy-eight thousand, eight hundred forty-nine".