16138983 has 12 divisors (see below), whose sum is σ = 25032120. Its totient is φ = 9222192.

The previous prime is 16138981. The next prime is 16138987. The reversal of 16138983 is 38983161.

It is not a de Polignac number, because 16138983 - 2¹ = 16138981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54748 + ... + 55041.

It is an arithmetic number, because the mean of its divisors is an integer number (2086010).

Almost surely, 2^16138983 is an apocalyptic number.

16138983 is a deficient number, since it is larger than the sum of its proper divisors (8893137).

16138983 is a wasteful number, since it uses less digits than its factorization.

16138983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109806 (or 109799 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 16138983 is about 4017.3353108746. The cubic root of 16138983 is about 252.7117225604.

The spelling of 16138983 in words is "sixteen million, one hundred thirty-eight thousand, nine hundred eighty-three".