5161061061 has 12 divisors (see below), whose sum is σ = 8028317388. Its totient is φ = 3176037504.

The previous prime is 5161061041. The next prime is 5161061077. The reversal of 5161061061 is 1601601615.

It can be written as a sum of positive squares in 2 ways, for example, as 1389872961 + 3771188100 = 37281^2 + 61410^2 .

It is not a de Polignac number, because 5161061061 - 2²⁷ = 5026843333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161061041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22055700 + ... + 22055933.

It is an arithmetic number, because the mean of its divisors is an integer number (669026449).

Almost surely, 2^5161061061 is an apocalyptic number.

It is an amenable number.

5161061061 is a deficient number, since it is larger than the sum of its proper divisors (2867256327).

5161061061 is a wasteful number, since it uses less digits than its factorization.

5161061061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44111652 (or 44111649 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5161061061 is about 71840.5251999176. The cubic root of 5161061061 is about 1728.1429571238.

Adding to 5161061061 its reverse (1601601615), we get a palindrome (6762662676).

The spelling of 5161061061 in words is "five billion, one hundred sixty-one million, sixty-one thousand, sixty-one".