5991166 has 8 divisors (see below), whose sum is σ = 9206064. Its totient is φ = 2922480.

The previous prime is 5991149. The next prime is 5991169. The reversal of 5991166 is 6611995.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36450 + ... + 36613.

It is an arithmetic number, because the mean of its divisors is an integer number (1150758).

Almost surely, 2^5991166 is an apocalyptic number.

5991166 is a deficient number, since it is larger than the sum of its proper divisors (3214898).

5991166 is a wasteful number, since it uses less digits than its factorization.

5991166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73106.

The product of its digits is 14580, while the sum is 37.

The square root of 5991166 is about 2447.6858458552. The cubic root of 5991166 is about 181.6228352390.

The spelling of 5991166 in words is "five million, nine hundred ninety-one thousand, one hundred sixty-six".