5651615620 has 96 divisors (see below), whose sum is σ = 13795246080. Its totient is φ = 1904810880.

The previous prime is 5651615597. The next prime is 5651615623. The reversal of 5651615620 is 265161565.

It is a self number, because there is not a number n which added to its sum of digits gives 5651615620.

It is not an unprimeable number, because it can be changed into a prime (5651615623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4760667 + ... + 4761853.

It is an arithmetic number, because the mean of its divisors is an integer number (143700480).

Almost surely, 2^5651615620 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 5651615620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6897623040).

5651615620 is an abundant number, since it is smaller than the sum of its proper divisors (8143630460).

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

5651615620 is a wasteful number, since it uses less digits than its factorization.

5651615620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 5651615620 is about 75177.2280680792. The cubic root of 5651615620 is about 1781.2472447767.

The spelling of 5651615620 in words is "five billion, six hundred fifty-one million, six hundred fifteen thousand, six hundred twenty".