5165638586 has 16 divisors (see below), whose sum is σ = 8086950144. Its totient is φ = 2470033104.

The previous prime is 5165638549. The next prime is 5165638589. The reversal of 5165638586 is 6858365615.

It is not an unprimeable number, because it can be changed into a prime (5165638589) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 348176 + ... + 362708.

It is an arithmetic number, because the mean of its divisors is an integer number (505434384).

Almost surely, 2^5165638586 is an apocalyptic number.

5165638586 is a deficient number, since it is larger than the sum of its proper divisors (2921311558).

5165638586 is a wasteful number, since it uses less digits than its factorization.

5165638586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22285.

The product of its digits is 5184000, while the sum is 53.

The square root of 5165638586 is about 71872.3770721409. The cubic root of 5165638586 is about 1728.6537228955.

The spelling of 5165638586 in words is "five billion, one hundred sixty-five million, six hundred thirty-eight thousand, five hundred eighty-six".