5161730858 has 4 divisors (see below), whose sum is σ = 7742596290. Its totient is φ = 2580865428.

The previous prime is 5161730813. The next prime is 5161730881. The reversal of 5161730858 is 8580371615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8580371615 = 5 ⋅1716074323.

It can be written as a sum of positive squares in only one way, i.e., 4282786249 + 878944609 = 65443^2 + 29647^2 .

It is a super-3 number, since 3×5161730858³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290432713 + ... + 1290432716.

Almost surely, 2^5161730858 is an apocalyptic number.

5161730858 is a deficient number, since it is larger than the sum of its proper divisors (2580865432).

5161730858 is a wasteful number, since it uses less digits than its factorization.

5161730858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580865431.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 5161730858 is about 71845.1867420497. The cubic root of 5161730858 is about 1728.2177127399.

The spelling of 5161730858 in words is "five billion, one hundred sixty-one million, seven hundred thirty thousand, eight hundred fifty-eight".