5891666 has 8 divisors (see below), whose sum is σ = 9640944. Its totient is φ = 2678020.

The previous prime is 5891663. The next prime is 5891687. The reversal of 5891666 is 6661985.

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 (5891663) 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, 133880 + ... + 133923.

It is an arithmetic number, because the mean of its divisors is an integer number (1205118).

Almost surely, 2^5891666 is an apocalyptic number.

5891666 is a deficient number, since it is larger than the sum of its proper divisors (3749278).

5891666 is a wasteful number, since it uses less digits than its factorization.

5891666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267816.

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

The square root of 5891666 is about 2427.2754273053. The cubic root of 5891666 is about 180.6117661708.

The spelling of 5891666 in words is "five million, eight hundred ninety-one thousand, six hundred sixty-six".