5364641665 has 16 divisors (see below), whose sum is σ = 6499573200. Its totient is φ = 4250437632.

The previous prime is 5364641641. The next prime is 5364641677. The reversal of 5364641665 is 5661464635.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 47169424 + 5317472241 = 6868^2 + 72921^2 .

It is a cyclic number.

It is not a de Polignac number, because 5364641665 - 2⁹ = 5364641153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940141 + ... + 945829.

It is an arithmetic number, because the mean of its divisors is an integer number (406223325).

Almost surely, 2^5364641665 is an apocalyptic number.

It is an amenable number.

5364641665 is a deficient number, since it is larger than the sum of its proper divisors (1134931535).

5364641665 is a wasteful number, since it uses less digits than its factorization.

5364641665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476.

The product of its digits is 1555200, while the sum is 46.

The square root of 5364641665 is about 73243.7141671557. The cubic root of 5364641665 is about 1750.5730547761.

The spelling of 5364641665 in words is "five billion, three hundred sixty-four million, six hundred forty-one thousand, six hundred sixty-five".