16113659989 has 16 divisors (see below), whose sum is σ = 18542880000. Its totient is φ = 13716353664.

The previous prime is 16113659959. The next prime is 16113660007. The reversal of 16113659989 is 98995631161.

It is a cyclic number.

It is not a de Polignac number, because 16113659989 - 2³³ = 7523725397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16113659909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3293457 + ... + 3298345.

It is an arithmetic number, because the mean of its divisors is an integer number (1158930000).

Almost surely, 2^16113659989 is an apocalyptic number.

It is an amenable number.

16113659989 is a deficient number, since it is larger than the sum of its proper divisors (2429220011).

16113659989 is a wasteful number, since it uses less digits than its factorization.

16113659989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052.

The product of its digits is 3149280, while the sum is 58.

The spelling of 16113659989 in words is "sixteen billion, one hundred thirteen million, six hundred fifty-nine thousand, nine hundred eighty-nine".