5186664 has 96 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 1440000.

The previous prime is 5186663. The next prime is 5186681. The reversal of 5186664 is 4666815.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5186663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20539 + ... + 20789.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

Almost surely, 2^5186664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5186664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255520).

5186664 is an abundant number, since it is smaller than the sum of its proper divisors (11324376).

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

5186664 is a wasteful number, since it uses less digits than its factorization.

5186664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 304 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 5186664 is about 2277.4248615487. The cubic root of 5186664 is about 173.0995896012.

The spelling of 5186664 in words is "five million, one hundred eighty-six thousand, six hundred sixty-four".