16138168 has 32 divisors (see below), whose sum is σ = 32367600. Its totient is φ = 7516672.

The previous prime is 16138139. The next prime is 16138169. The reversal of 16138168 is 86183161.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138169) 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, 13998 + ... + 15106.

Almost surely, 2^16138168 is an apocalyptic number.

It is an amenable number.

16138168 is an abundant number, since it is smaller than the sum of its proper divisors (16229432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16138168 is a wasteful number, since it uses less digits than its factorization.

16138168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1235 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 16138168 is about 4017.2338741975. The cubic root of 16138168 is about 252.7074686055.

The spelling of 16138168 in words is "sixteen million, one hundred thirty-eight thousand, one hundred sixty-eight".