5161326558 has 16 divisors (see below), whose sum is σ = 10332322320. Its totient is φ = 1718830656.

The previous prime is 5161326553. The next prime is 5161326563. The reversal of 5161326558 is 8556231615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5161326553) and next prime (5161326563).

It is a super-2 number, since 2×5161326558² = 53278583676632254728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161326553) 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, 395935 + ... + 408762.

It is an arithmetic number, because the mean of its divisors is an integer number (645770145).

Almost surely, 2^5161326558 is an apocalyptic number.

5161326558 is an abundant number, since it is smaller than the sum of its proper divisors (5170995762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161326558 is a wasteful number, since it uses less digits than its factorization.

5161326558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805771.

The product of its digits is 216000, while the sum is 42.

The square root of 5161326558 is about 71842.3729981130. The cubic root of 5161326558 is about 1728.1725898484.

The spelling of 5161326558 in words is "five billion, one hundred sixty-one million, three hundred twenty-six thousand, five hundred fifty-eight".