5021664 has 72 divisors (see below), whose sum is σ = 14080248. Its totient is φ = 1566720.

The previous prime is 5021663. The next prime is 5021683. The reversal of 5021664 is 4661205.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27654 + ... + 27834.

It is an arithmetic number, because the mean of its divisors is an integer number (195559).

Almost surely, 2^5021664 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 5021664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7040124).

5021664 is an abundant number, since it is smaller than the sum of its proper divisors (9058584).

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

5021664 is a wasteful number, since it uses less digits than its factorization.

5021664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 5021664 is about 2240.9069592466. The cubic root of 5021664 is about 171.2442049649.

Adding to 5021664 its reverse (4661205), we get a palindrome (9682869).

The spelling of 5021664 in words is "five million, twenty-one thousand, six hundred sixty-four".