16138967 has 16 divisors (see below), whose sum is σ = 18607680. Its totient is φ = 13865472.

The previous prime is 16138949. The next prime is 16138973. The reversal of 16138967 is 76983161.

It is not a de Polignac number, because 16138967 - 2⁸ = 16138711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138937) 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, 22409 + ... + 23117.

It is an arithmetic number, because the mean of its divisors is an integer number (1162980).

Almost surely, 2^16138967 is an apocalyptic number.

16138967 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16138967 is a deficient number, since it is larger than the sum of its proper divisors (2468713).

16138967 is a wasteful number, since it uses less digits than its factorization.

16138967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its digits is 54432, while the sum is 41.

The square root of 16138967 is about 4017.3333195044. Note that the first 4 decimals coincide. The cubic root of 16138967 is about 252.7116390486.

The spelling of 16138967 in words is "sixteen million, one hundred thirty-eight thousand, nine hundred sixty-seven".