16042361 has 2 divisors, whose sum is σ = 16042362. Its totient is φ = 16042360.

The previous prime is 16042343. The next prime is 16042363. The reversal of 16042361 is 16324061.

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., 14899600 + 1142761 = 3860^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 16042361 - 2¹⁸ = 15780217 is a prime.

Together with 16042363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16042363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021180 + 8021181.

It is an arithmetic number, because the mean of its divisors is an integer number (8021181).

Almost surely, 2^16042361 is an apocalyptic number.

It is an amenable number.

16042361 is a deficient number, since it is larger than the sum of its proper divisors (1).

16042361 is an equidigital number, since it uses as much as digits as its factorization.

16042361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16042361 is about 4005.2916248383. The cubic root of 16042361 is about 252.2063953260.

The spelling of 16042361 in words is "sixteen million, forty-two thousand, three hundred sixty-one".