5161065256 has 32 divisors (see below), whose sum is σ = 10088110080. Its totient is φ = 2472552000.

The previous prime is 5161065229. The next prime is 5161065257. The reversal of 5161065256 is 6525601615.

It is not an unprimeable number, because it can be changed into a prime (5161065257) 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, 77976 + ... + 128071.

It is an arithmetic number, because the mean of its divisors is an integer number (315253440).

Almost surely, 2^5161065256 is an apocalyptic number.

It is an amenable number.

5161065256 is a deficient number, since it is larger than the sum of its proper divisors (4927044824).

5161065256 is a wasteful number, since it uses less digits than its factorization.

5161065256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206185 (or 206181 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 5161065256 is about 71840.5543965245. The cubic root of 5161065256 is about 1728.1434253452.

The spelling of 5161065256 in words is "five billion, one hundred sixty-one million, sixty-five thousand, two hundred fifty-six".