5661334340 has 24 divisors (see below), whose sum is σ = 12039296640. Its totient is φ = 2235868128.

The previous prime is 5661334303. The next prime is 5661334351. The reversal of 5661334340 is 434331665.

It is a self number, because there is not a number n which added to its sum of digits gives 5661334340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789982 + ... + 1793141.

It is an arithmetic number, because the mean of its divisors is an integer number (501637360).

Almost surely, 2^5661334340 is an apocalyptic number.

It is an amenable number.

5661334340 is an abundant number, since it is smaller than the sum of its proper divisors (6377962300).

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

5661334340 is a wasteful number, since it uses less digits than its factorization.

5661334340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583211 (or 3583209 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 5661334340 is about 75241.8390259037. The cubic root of 5661334340 is about 1782.2676921868.

The spelling of 5661334340 in words is "five billion, six hundred sixty-one million, three hundred thirty-four thousand, three hundred forty".