16138068 has 48 divisors (see below), whose sum is σ = 40729920. Its totient is φ = 4955904.

The previous prime is 16138027. The next prime is 16138097. The reversal of 16138068 is 86083161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7480 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (848540).

Almost surely, 2^16138068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16138068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20364960).

16138068 is an abundant number, since it is smaller than the sum of its proper divisors (24591852).

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

16138068 is a wasteful number, since it uses less digits than its factorization.

16138068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 16138068 is about 4017.2214278031. The cubic root of 16138068 is about 252.7069466379.

The spelling of 16138068 in words is "sixteen million, one hundred thirty-eight thousand, sixty-eight".