5618946720 has 96 divisors (see below), whose sum is σ = 17717398272. Its totient is φ = 1496886272.

The previous prime is 5618946719. The next prime is 5618946727. The reversal of 5618946720 is 276498165.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5618946720.

It is not an unprimeable number, because it can be changed into a prime (5618946727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524134 + ... + 534746.

It is an arithmetic number, because the mean of its divisors is an integer number (184556232).

Almost surely, 2^5618946720 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 5618946720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8858699136).

5618946720 is an abundant number, since it is smaller than the sum of its proper divisors (12098451552).

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

5618946720 is a wasteful number, since it uses less digits than its factorization.

5618946720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734 (or 11726 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 5618946720 is about 74959.6339372065. The cubic root of 5618946720 is about 1777.8084715302.

The spelling of 5618946720 in words is "five billion, six hundred eighteen million, nine hundred forty-six thousand, seven hundred twenty".