5187858161 has 8 divisors (see below), whose sum is σ = 5261784000. Its totient is φ = 5114411280.

The previous prime is 5187858157. The next prime is 5187858199. The reversal of 5187858161 is 1618587815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5187858161 - 2² = 5187858157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5187858101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97895 + ... + 141276.

It is an arithmetic number, because the mean of its divisors is an integer number (657723000).

Almost surely, 2^5187858161 is an apocalyptic number.

It is an amenable number.

5187858161 is a deficient number, since it is larger than the sum of its proper divisors (73925839).

5187858161 is a wasteful number, since it uses less digits than its factorization.

5187858161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239479.

The product of its digits is 537600, while the sum is 50.

The square root of 5187858161 is about 72026.7878014840. The cubic root of 5187858161 is about 1731.1287321454.

The spelling of 5187858161 in words is "five billion, one hundred eighty-seven million, eight hundred fifty-eight thousand, one hundred sixty-one".