5153551665 has 16 divisors (see below), whose sum is σ = 8246659200. Its totient is φ = 2748235392.

The previous prime is 5153551661. The next prime is 5153551681. The reversal of 5153551665 is 5661553515.

It is a happy number.

It is not a de Polignac number, because 5153551665 - 2² = 5153551661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5153551661) 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 15 ways as a sum of consecutive naturals, for example, 165021 + ... + 193749.

It is an arithmetic number, because the mean of its divisors is an integer number (515416200).

Almost surely, 2^5153551665 is an apocalyptic number.

It is an amenable number.

5153551665 is a deficient number, since it is larger than the sum of its proper divisors (3093107535).

5153551665 is a wasteful number, since it uses less digits than its factorization.

5153551665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40696.

The product of its digits is 337500, while the sum is 42.

The square root of 5153551665 is about 71788.2418297036. The cubic root of 5153551665 is about 1727.3043951312.

The spelling of 5153551665 in words is "five billion, one hundred fifty-three million, five hundred fifty-one thousand, six hundred sixty-five".