5166566 has 4 divisors (see below), whose sum is σ = 7749852. Its totient is φ = 2583282.

The previous prime is 5166563. The next prime is 5166619. The reversal of 5166566 is 6656615.

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 (5166563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291640 + ... + 1291643.

It is an arithmetic number, because the mean of its divisors is an integer number (1937463).

Almost surely, 2^5166566 is an apocalyptic number.

5166566 is a deficient number, since it is larger than the sum of its proper divisors (2583286).

5166566 is a wasteful number, since it uses less digits than its factorization.

5166566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583285.

The product of its digits is 32400, while the sum is 35.

The square root of 5166566 is about 2273.0081390087. The cubic root of 5166566 is about 172.8757168107.

The spelling of 5166566 in words is "five million, one hundred sixty-six thousand, five hundred sixty-six".