16103639 has 2 divisors, whose sum is σ = 16103640. Its totient is φ = 16103638.

The previous prime is 16103627. The next prime is 16103653. The reversal of 16103639 is 93630161.

It is a weak prime.

It is an emirp because it is prime and its reverse (93630161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16103639 - 2⁴ = 16103623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16103609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8051819 + 8051820.

It is an arithmetic number, because the mean of its divisors is an integer number (8051820).

Almost surely, 2^16103639 is an apocalyptic number.

16103639 is a deficient number, since it is larger than the sum of its proper divisors (1).

16103639 is an equidigital number, since it uses as much as digits as its factorization.

16103639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 16103639 is about 4012.9339640717. The cubic root of 16103639 is about 252.5271101173.

The spelling of 16103639 in words is "sixteen million, one hundred three thousand, six hundred thirty-nine".