5661820288 has 16 divisors (see below), whose sum is σ = 11279407860. Its totient is φ = 2830910080.

The previous prime is 5661820261. The next prime is 5661820309. The reversal of 5661820288 is 8820281665.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22116358 + ... + 22116613.

Almost surely, 2^5661820288 is an apocalyptic number.

It is an amenable number.

5661820288 is a deficient number, since it is larger than the sum of its proper divisors (5617587572).

5661820288 is an equidigital number, since it uses as much as digits as its factorization.

5661820288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44232985 (or 44232973 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 5661820288 is about 75245.0681971915. The cubic root of 5661820288 is about 1782.3186851500.

The spelling of 5661820288 in words is "five billion, six hundred sixty-one million, eight hundred twenty thousand, two hundred eighty-eight".