5256161583 has 16 divisors (see below), whose sum is σ = 7185899616. Its totient is φ = 3415426560.

The previous prime is 5256161543. The next prime is 5256161587. The reversal of 5256161583 is 3851616525.

It is a happy number.

It is not a de Polignac number, because 5256161583 - 2¹⁶ = 5256096047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256161587) 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, 114891 + ... + 153987.

It is an arithmetic number, because the mean of its divisors is an integer number (449118726).

Almost surely, 2^5256161583 is an apocalyptic number.

5256161583 is a deficient number, since it is larger than the sum of its proper divisors (1929738033).

5256161583 is a wasteful number, since it uses less digits than its factorization.

5256161583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40234.

The product of its digits is 216000, while the sum is 42.

The square root of 5256161583 is about 72499.3902250219. The cubic root of 5256161583 is about 1738.6929876254.

The spelling of 5256161583 in words is "five billion, two hundred fifty-six million, one hundred sixty-one thousand, five hundred eighty-three".