5601816 has 72 divisors (see below), whose sum is σ = 16702140. Its totient is φ = 1694880.

The previous prime is 5601787. The next prime is 5601833. The reversal of 5601816 is 6181065.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 5601816.

It is a congruent 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 17 ways as a sum of consecutive naturals, for example, 8391 + ... + 9033.

Almost surely, 2^5601816 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 5601816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8351070).

5601816 is an abundant number, since it is smaller than the sum of its proper divisors (11100324).

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

5601816 is a wasteful number, since it uses less digits than its factorization.

5601816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5601816 is about 2366.8155821694. The cubic root of 5601816 is about 177.5999939128.

The spelling of 5601816 in words is "five million, six hundred one thousand, eight hundred sixteen".