5143646165 has 16 divisors (see below), whose sum is σ = 7075091712. Its totient is φ = 3516597504.

The previous prime is 5143646149. The next prime is 5143646243. The reversal of 5143646165 is 5616463415.

It is not a de Polignac number, because 5143646165 - 2⁴ = 5143646149 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 206249 + ... + 229838.

It is an arithmetic number, because the mean of its divisors is an integer number (442193232).

Almost surely, 2^5143646165 is an apocalyptic number.

It is an amenable number.

5143646165 is a deficient number, since it is larger than the sum of its proper divisors (1931445547).

5143646165 is a wasteful number, since it uses less digits than its factorization.

5143646165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436436.

The product of its digits is 259200, while the sum is 41.

The square root of 5143646165 is about 71719.2175431383. The cubic root of 5143646165 is about 1726.1970172412.

The spelling of 5143646165 in words is "five billion, one hundred forty-three million, six hundred forty-six thousand, one hundred sixty-five".