5116666 has 4 divisors (see below), whose sum is σ = 7675002. Its totient is φ = 2558332.

The previous prime is 5116627. The next prime is 5116667. The reversal of 5116666 is 6666115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4968441 + 148225 = 2229^2 + 385^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5116667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279165 + ... + 1279168.

Almost surely, 2^5116666 is an apocalyptic number.

5116666 is a deficient number, since it is larger than the sum of its proper divisors (2558336).

5116666 is a wasteful number, since it uses less digits than its factorization.

5116666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558335.

The product of its digits is 6480, while the sum is 31.

The square root of 5116666 is about 2262.0048629479. The cubic root of 5116666 is about 172.3173562186.

The spelling of 5116666 in words is "five million, one hundred sixteen thousand, six hundred sixty-six".