5218166 has 4 divisors (see below), whose sum is σ = 7827252. Its totient is φ = 2609082.

The previous prime is 5218151. The next prime is 5218181. The reversal of 5218166 is 6618125.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (5218151) and next prime (5218181).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304540 + ... + 1304543.

It is an arithmetic number, because the mean of its divisors is an integer number (1956813).

Almost surely, 2^5218166 is an apocalyptic number.

5218166 is a deficient number, since it is larger than the sum of its proper divisors (2609086).

5218166 is a wasteful number, since it uses less digits than its factorization.

5218166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609085.

The product of its digits is 2880, while the sum is 29.

The square root of 5218166 is about 2284.3305365030. The cubic root of 5218166 is about 173.4493314603.

The spelling of 5218166 in words is "five million, two hundred eighteen thousand, one hundred sixty-six".