16318913839 has 8 divisors (see below), whose sum is σ = 17037775872. Its totient is φ = 15600830520.

The previous prime is 16318913833. The next prime is 16318913867. The reversal of 16318913839 is 93831981361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16318913839 - 2²¹ = 16316816687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16318913833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151639 + ... + 235864.

It is an arithmetic number, because the mean of its divisors is an integer number (2129721984).

Almost surely, 2^16318913839 is an apocalyptic number.

16318913839 is a deficient number, since it is larger than the sum of its proper divisors (718862033).

16318913839 is a wasteful number, since it uses less digits than its factorization.

16318913839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389357.

The product of its digits is 839808, while the sum is 52.

The spelling of 16318913839 in words is "sixteen billion, three hundred eighteen million, nine hundred thirteen thousand, eight hundred thirty-nine".