5651660328 has 32 divisors (see below), whose sum is σ = 14131340160. Its totient is φ = 1883594880.

The previous prime is 5651660321. The next prime is 5651660381. The reversal of 5651660328 is 8230661565.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5651660328.

It is not an unprimeable number, because it can be changed into a prime (5651660321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186993 + ... + 215103.

It is an arithmetic number, because the mean of its divisors is an integer number (441604380).

Almost surely, 2^5651660328 is an apocalyptic number.

It is an amenable number.

5651660328 is an abundant number, since it is smaller than the sum of its proper divisors (8479679832).

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

5651660328 is a wasteful number, since it uses less digits than its factorization.

5651660328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36497 (or 36493 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 5651660328 is about 75177.5254181727. The cubic root of 5651660328 is about 1781.2519417104.

The spelling of 5651660328 in words is "five billion, six hundred fifty-one million, six hundred sixty thousand, three hundred twenty-eight".