5164187861 has 24 divisors (see below), whose sum is σ = 6279667200. Its totient is φ = 4226457312.

The previous prime is 5164187857. The next prime is 5164187867. The reversal of 5164187861 is 1687814615.

It is a happy number.

It is not a de Polignac number, because 5164187861 - 2² = 5164187857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5164187867) 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 23 ways as a sum of consecutive naturals, for example, 680315 + ... + 687863.

It is an arithmetic number, because the mean of its divisors is an integer number (261652800).

Almost surely, 2^5164187861 is an apocalyptic number.

It is an amenable number.

5164187861 is a deficient number, since it is larger than the sum of its proper divisors (1115479339).

5164187861 is a wasteful number, since it uses less digits than its factorization.

5164187861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193 (or 8186 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The square root of 5164187861 is about 71862.2839951528. The cubic root of 5164187861 is about 1728.4918819194.

The spelling of 5164187861 in words is "five billion, one hundred sixty-four million, one hundred eighty-seven thousand, eight hundred sixty-one".