6426166 has 4 divisors (see below), whose sum is σ = 9639252. Its totient is φ = 3213082.

The previous prime is 6426163. The next prime is 6426181. The reversal of 6426166 is 6616246.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606540 + ... + 1606543.

It is an arithmetic number, because the mean of its divisors is an integer number (2409813).

Almost surely, 2^6426166 is an apocalyptic number.

6426166 is a deficient number, since it is larger than the sum of its proper divisors (3213086).

6426166 is a wasteful number, since it uses less digits than its factorization.

6426166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213085.

The product of its digits is 10368, while the sum is 31.

The square root of 6426166 is about 2534.9883628924. The cubic root of 6426166 is about 185.9162339118.

The spelling of 6426166 in words is "six million, four hundred twenty-six thousand, one hundred sixty-six".