5971666 has 8 divisors (see below), whose sum is σ = 8974080. Its totient is φ = 2980308.

The previous prime is 5971663. The next prime is 5971673. The reversal of 5971666 is 6661795.

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

It is not an unprimeable number, because it can be changed into a prime (5971663) 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 3 ways as a sum of consecutive naturals, for example, 1246 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (1121760).

Almost surely, 2^5971666 is an apocalyptic number.

5971666 is a deficient number, since it is larger than the sum of its proper divisors (3002414).

5971666 is a wasteful number, since it uses less digits than its factorization.

5971666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528.

The product of its digits is 68040, while the sum is 40.

The square root of 5971666 is about 2443.6992449972. The cubic root of 5971666 is about 181.4255728759.

The spelling of 5971666 in words is "five million, nine hundred seventy-one thousand, six hundred sixty-six".