5161050656 has 48 divisors (see below), whose sum is σ = 10556746200. Its totient is φ = 2480744448.

The previous prime is 5161050647. The next prime is 5161050659. The reversal of 5161050656 is 6560501615.

It can be written as a sum of positive squares in 4 ways, for example, as 4420122256 + 740928400 = 66484^2 + 27220^2 .

It is not an unprimeable number, because it can be changed into a prime (5161050659) 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, 204290 + ... + 228158.

Almost surely, 2^5161050656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5161050656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5278373100).

5161050656 is an abundant number, since it is smaller than the sum of its proper divisors (5395695544).

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

5161050656 is a wasteful number, since it uses less digits than its factorization.

5161050656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24141 (or 24133 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 5161050656 is about 71840.4527825375. The cubic root of 5161050656 is about 1728.1417957774.

The spelling of 5161050656 in words is "five billion, one hundred sixty-one million, fifty thousand, six hundred fifty-six".