5161352656 has 10 divisors (see below), whose sum is σ = 10000120802. Its totient is φ = 2580676320.

The previous prime is 5161352563. The next prime is 5161352671. The reversal of 5161352656 is 6562531615.

It can be written as a sum of positive squares in only one way, i.e., 5152942656 + 8410000 = 71784^2 + 2900^2 .

It is a super-2 number, since 2×5161352656² = 53279122479196508672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161292255 + ... + 161292286.

Almost surely, 2^5161352656 is an apocalyptic number.

It is an amenable number.

5161352656 is a deficient number, since it is larger than the sum of its proper divisors (4838768146).

5161352656 is a wasteful number, since it uses less digits than its factorization.

5161352656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322584549 (or 322584543 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The square root of 5161352656 is about 71842.5546316388. The cubic root of 5161352656 is about 1728.1755026507.

The spelling of 5161352656 in words is "five billion, one hundred sixty-one million, three hundred fifty-two thousand, six hundred fifty-six".