6138166 has 4 divisors (see below), whose sum is σ = 9207252. Its totient is φ = 3069082.

The previous prime is 6138161. The next prime is 6138179. The reversal of 6138166 is 6618316.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534540 + ... + 1534543.

It is an arithmetic number, because the mean of its divisors is an integer number (2301813).

Almost surely, 2^6138166 is an apocalyptic number.

6138166 is a deficient number, since it is larger than the sum of its proper divisors (3069086).

6138166 is a wasteful number, since it uses less digits than its factorization.

6138166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069085.

The product of its digits is 5184, while the sum is 31.

The square root of 6138166 is about 2477.5322399517. The cubic root of 6138166 is about 183.0962894181.

The spelling of 6138166 in words is "six million, one hundred thirty-eight thousand, one hundred sixty-six".