16106589889 has 4 divisors (see below), whose sum is σ = 17345558356. Its totient is φ = 14867621424.

The previous prime is 16106589827. The next prime is 16106589893. The reversal of 16106589889 is 98898560161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2501700289 + 13604889600 = 50017^2 + 116640^2 .

It is a cyclic number.

It is not a de Polignac number, because 16106589889 - 2¹⁷ = 16106458817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16106581889) 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 in 3 ways as a sum of consecutive naturals, for example, 619484214 + ... + 619484239.

It is an arithmetic number, because the mean of its divisors is an integer number (4336389589).

Almost surely, 2^16106589889 is an apocalyptic number.

It is an amenable number.

16106589889 is a deficient number, since it is larger than the sum of its proper divisors (1238968467).

16106589889 is a wasteful number, since it uses less digits than its factorization.

16106589889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238968466.

The product of its (nonzero) digits is 7464960, while the sum is 61.

The spelling of 16106589889 in words is "sixteen billion, one hundred six million, five hundred eighty-nine thousand, eight hundred eighty-nine".