5161616 has 20 divisors (see below), whose sum is σ = 10527600. Its totient is φ = 2444832.

The previous prime is 5161609. The next prime is 5161619. The reversal of 5161616 is 6161615.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5161619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8186 + ... + 8793.

It is an arithmetic number, because the mean of its divisors is an integer number (526380).

Almost surely, 2^5161616 is an apocalyptic number.

It is an amenable number.

5161616 is an abundant number, since it is smaller than the sum of its proper divisors (5365984).

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

5161616 is a wasteful number, since it uses less digits than its factorization.

5161616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17006 (or 17000 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 5161616 is about 2271.9190126411. The cubic root of 5161616 is about 172.8204893971.

Subtracting 5161616 from its reverse (6161615), we obtain a palindrome (999999).

The spelling of 5161616 in words is "five million, one hundred sixty-one thousand, six hundred sixteen".