16294081 has 2 divisors, whose sum is σ = 16294082. Its totient is φ = 16294080.

The previous prime is 16294073. The next prime is 16294087. The reversal of 16294081 is 18049261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9090225 + 7203856 = 3015^2 + 2684^2 .

It is an emirp because it is prime and its reverse (18049261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16294081 - 2³ = 16294073 is a prime.

It is a super-2 number, since 2×16294081² = 530994151269122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16294087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8147040 + 8147041.

It is an arithmetic number, because the mean of its divisors is an integer number (8147041).

Almost surely, 2^16294081 is an apocalyptic number.

It is an amenable number.

16294081 is a deficient number, since it is larger than the sum of its proper divisors (1).

16294081 is an equidigital number, since it uses as much as digits as its factorization.

16294081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 16294081 is about 4036.5927463642. The cubic root of 16294081 is about 253.5186753486.

The spelling of 16294081 in words is "sixteen million, two hundred ninety-four thousand, eighty-one".