6231666 has 32 divisors (see below), whose sum is σ = 14865408. Its totient is φ = 1702800.

The previous prime is 6231661. The next prime is 6231679. The reversal of 6231666 is 6661326.

It is a super-2 number, since 2×6231666² = 77667322271112, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6231661) 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 in 15 ways as a sum of consecutive naturals, for example, 2260 + ... + 4191.

It is an arithmetic number, because the mean of its divisors is an integer number (464544).

Almost surely, 2^6231666 is an apocalyptic number.

6231666 is an abundant number, since it is smaller than the sum of its proper divisors (8633742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6231666 is a wasteful number, since it uses less digits than its factorization.

6231666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486.

The product of its digits is 7776, while the sum is 30.

The square root of 6231666 is about 2496.3305069642. The cubic root of 6231666 is about 184.0212837698.

The spelling of 6231666 in words is "six million, two hundred thirty-one thousand, six hundred sixty-six".