5458321665 has 24 divisors (see below), whose sum is σ = 10017627048. Its totient is φ = 2739863040.

The previous prime is 5458321651. The next prime is 5458321679. The reversal of 5458321665 is 5661238545.

5458321665 is a `hidden beast` number, since 5 + 4 + 583 + 2 + 1 + 6 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (5458321651) and next prime (5458321679).

It can be written as a sum of positive squares in 4 ways, for example, as 523540161 + 4934781504 = 22881^2 + 70248^2 .

It is not a de Polignac number, because 5458321665 - 2¹⁰ = 5458320641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5458321665.

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 23 ways as a sum of consecutive naturals, for example, 3566766 + ... + 3568295.

It is an arithmetic number, because the mean of its divisors is an integer number (417401127).

Almost surely, 2^5458321665 is an apocalyptic number.

It is an amenable number.

5458321665 is a deficient number, since it is larger than the sum of its proper divisors (4559305383).

5458321665 is a wasteful number, since it uses less digits than its factorization.

5458321665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135089 (or 7135086 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 5458321665 is about 73880.4552300539. The cubic root of 5458321665 is about 1760.7040985565.

The spelling of 5458321665 in words is "five billion, four hundred fifty-eight million, three hundred twenty-one thousand, six hundred sixty-five".