5166503613 has 24 divisors (see below), whose sum is σ = 7728079320. Its totient is φ = 3322112640.

The previous prime is 5166503591. The next prime is 5166503627. The reversal of 5166503613 is 3163056615.

It can be written as a sum of positive squares in 4 ways, for example, as 48818169 + 5117685444 = 6987^2 + 71538^2 .

It is not a de Polignac number, because 5166503613 - 2¹² = 5166499517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166503633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254623 + ... + 274163.

It is an arithmetic number, because the mean of its divisors is an integer number (322003305).

Almost surely, 2^5166503613 is an apocalyptic number.

It is an amenable number.

5166503613 is a deficient number, since it is larger than the sum of its proper divisors (2561575707).

5166503613 is a wasteful number, since it uses less digits than its factorization.

5166503613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20589 (or 20586 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 5166503613 is about 71878.3946189674. The cubic root of 5166503613 is about 1728.7502097518.

The spelling of 5166503613 in words is "five billion, one hundred sixty-six million, five hundred three thousand, six hundred thirteen".