6159866 has 4 divisors (see below), whose sum is σ = 9239802. Its totient is φ = 3079932.

The previous prime is 6159851. The next prime is 6159869. The reversal of 6159866 is 6689516.

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

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 2337841 = 1955^2 + 1529^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6159869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539965 + ... + 1539968.

Almost surely, 2^6159866 is an apocalyptic number.

6159866 is a deficient number, since it is larger than the sum of its proper divisors (3079936).

6159866 is a wasteful number, since it uses less digits than its factorization.

6159866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079935.

The product of its digits is 77760, while the sum is 41.

The square root of 6159866 is about 2481.9077339821. The cubic root of 6159866 is about 183.3117998584.

The spelling of 6159866 in words is "six million, one hundred fifty-nine thousand, eight hundred sixty-six".