15940163 has 2 divisors, whose sum is σ = 15940164. Its totient is φ = 15940162.

The previous prime is 15940159. The next prime is 15940181. The reversal of 15940163 is 36104951.

It is a weak prime.

It is an emirp because it is prime and its reverse (36104951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15940163 - 2² = 15940159 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15940153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7970081 + 7970082.

It is an arithmetic number, because the mean of its divisors is an integer number (7970082).

Almost surely, 2^15940163 is an apocalyptic number.

15940163 is a deficient number, since it is larger than the sum of its proper divisors (1).

15940163 is an equidigital number, since it uses as much as digits as its factorization.

15940163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 15940163 is about 3992.5133687941. The cubic root of 15940163 is about 251.6696930083.

The spelling of 15940163 in words is "fifteen million, nine hundred forty thousand, one hundred sixty-three".