5161858 has 8 divisors (see below), whose sum is σ = 8338428. Its totient is φ = 2382384.

The previous prime is 5161847. The next prime is 5161873. The reversal of 5161858 is 8581615.

It can be written as a sum of positive squares in 2 ways, for example, as 5076009 + 85849 = 2253^2 + 293^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99241 + ... + 99292.

Almost surely, 2^5161858 is an apocalyptic number.

5161858 is a deficient number, since it is larger than the sum of its proper divisors (3176570).

5161858 is a wasteful number, since it uses less digits than its factorization.

5161858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198548.

The product of its digits is 9600, while the sum is 34.

The square root of 5161858 is about 2271.9722709575. The cubic root of 5161858 is about 172.8231902247.

The spelling of 5161858 in words is "five million, one hundred sixty-one thousand, eight hundred fifty-eight".