5161866 has 8 divisors (see below), whose sum is σ = 10323744. Its totient is φ = 1720620.

The previous prime is 5161847. The next prime is 5161873. The reversal of 5161866 is 6681615.

It is a sphenic number, since it is the product of 3 distinct primes.

5161866 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430150 + ... + 430161.

It is an arithmetic number, because the mean of its divisors is an integer number (1290468).

Almost surely, 2^5161866 is an apocalyptic number.

5161866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161866 is a wasteful number, since it uses less digits than its factorization.

5161866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860316.

The product of its digits is 8640, while the sum is 33.

The square root of 5161866 is about 2271.9740315417. The cubic root of 5161866 is about 172.8232795068.

The spelling of 5161866 in words is "five million, one hundred sixty-one thousand, eight hundred sixty-six".