6166389 has 8 divisors (see below), whose sum is σ = 8235360. Its totient is φ = 4104176.

The previous prime is 6166379. The next prime is 6166403. The reversal of 6166389 is 9836616.

It is a happy number.

6166389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6166389 - 2⁷ = 6166261 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6166339) 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, 1102 + ... + 3680.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^6166389 is an apocalyptic number.

It is an amenable number.

6166389 is a deficient number, since it is larger than the sum of its proper divisors (2068971).

6166389 is a wasteful number, since it uses less digits than its factorization.

6166389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379.

The product of its digits is 46656, while the sum is 39.

The square root of 6166389 is about 2483.2214963631. The cubic root of 6166389 is about 183.3764831400.

It can be divided in two parts, 6166 and 389, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 6166389 in words is "six million, one hundred sixty-six thousand, three hundred eighty-nine".