5618023664 has 80 divisors (see below), whose sum is σ = 12591694080. Its totient is φ = 2401390080.

The previous prime is 5618023651. The next prime is 5618023673. The reversal of 5618023664 is 4663208165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451997 + ... + 464259.

It is an arithmetic number, because the mean of its divisors is an integer number (157396176).

Almost surely, 2^5618023664 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 5618023664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6295847040).

5618023664 is an abundant number, since it is smaller than the sum of its proper divisors (6973670416).

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

5618023664 is a wasteful number, since it uses less digits than its factorization.

5618023664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 12432 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 5618023664 is about 74953.4766638613. The cubic root of 5618023664 is about 1777.7111159981.

The spelling of 5618023664 in words is "five billion, six hundred eighteen million, twenty-three thousand, six hundred sixty-four".