5641087664 has 20 divisors (see below), whose sum is σ = 11196184440. Its totient is φ = 2751749760.

The previous prime is 5641087633. The next prime is 5641087681. The reversal of 5641087664 is 4667801465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4298954 + ... + 4300265.

It is an arithmetic number, because the mean of its divisors is an integer number (559809222).

Almost surely, 2^5641087664 is an apocalyptic number.

It is an amenable number.

5641087664 is a deficient number, since it is larger than the sum of its proper divisors (5555096776).

5641087664 is a wasteful number, since it uses less digits than its factorization.

5641087664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8599268 (or 8599262 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 5641087664 is about 75107.1745174853. The cubic root of 5641087664 is about 1780.1405082031.

The spelling of 5641087664 in words is "five billion, six hundred forty-one million, eighty-seven thousand, six hundred sixty-four".