5166818 has 16 divisors (see below), whose sum is σ = 7923960. Its totient is φ = 2526336.

The previous prime is 5166817. The next prime is 5166829. The reversal of 5166818 is 8186615.

It can be written as a sum of positive squares in 4 ways, for example, as 5166529 + 289 = 2273^2 + 17^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5166817) 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 7 ways as a sum of consecutive naturals, for example, 29780 + ... + 29952.

Almost surely, 2^5166818 is an apocalyptic number.

5166818 is a deficient number, since it is larger than the sum of its proper divisors (2757142).

5166818 is a wasteful number, since it uses less digits than its factorization.

5166818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its digits is 11520, while the sum is 35.

The square root of 5166818 is about 2273.0635714823. The cubic root of 5166818 is about 172.8785274443.

The spelling of 5166818 in words is "five million, one hundred sixty-six thousand, eight hundred eighteen".