5181366 has 8 divisors (see below), whose sum is σ = 10362744. Its totient is φ = 1727120.

The previous prime is 5181353. The next prime is 5181383. The reversal of 5181366 is 6631815.

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

5181366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431775 + ... + 431786.

It is an arithmetic number, because the mean of its divisors is an integer number (1295343).

Almost surely, 2^5181366 is an apocalyptic number.

5181366 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.

5181366 is a wasteful number, since it uses less digits than its factorization.

5181366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863566.

The product of its digits is 4320, while the sum is 30.

The square root of 5181366 is about 2276.2614085381. The cubic root of 5181366 is about 173.0406310838.

The spelling of 5181366 in words is "five million, one hundred eighty-one thousand, three hundred sixty-six".