5651660344 has 32 divisors (see below), whose sum is σ = 11933130240. Its totient is φ = 2486066400.

The previous prime is 5651660321. The next prime is 5651660381. The reversal of 5651660344 is 4430661565.

It is a junction number, because it is equal to n+sod(n) for n = 5651660297 and 5651660306.

It is a congruent number.

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, 1033134 + ... + 1038589.

It is an arithmetic number, because the mean of its divisors is an integer number (372910320).

Almost surely, 2^5651660344 is an apocalyptic number.

It is an amenable number.

5651660344 is an abundant number, since it is smaller than the sum of its proper divisors (6281469896).

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

5651660344 is a wasteful number, since it uses less digits than its factorization.

5651660344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071771 (or 2071767 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 5651660344 is about 75177.5255245875. The cubic root of 5651660344 is about 1781.2519433913.

The spelling of 5651660344 in words is "five billion, six hundred fifty-one million, six hundred sixty thousand, three hundred forty-four".