16038161 has 4 divisors (see below), whose sum is σ = 16054500. Its totient is φ = 16021824.

The previous prime is 16038149. The next prime is 16038193. The reversal of 16038161 is 16183061.

16038161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12559936 + 3478225 = 3544^2 + 1865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16038161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16038161.

It is not an unprimeable number, because it can be changed into a prime (16038961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6596 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (4013625).

Almost surely, 2^16038161 is an apocalyptic number.

It is an amenable number.

16038161 is a deficient number, since it is larger than the sum of its proper divisors (16339).

16038161 is a wasteful number, since it uses less digits than its factorization.

16038161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16338.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 16038161 is about 4004.7672841253. The cubic root of 16038161 is about 252.1843836176.

The spelling of 16038161 in words is "sixteen million, thirty-eight thousand, one hundred sixty-one".