5128165506 has 8 divisors (see below), whose sum is σ = 10256331024. Its totient is φ = 1709388500.

The previous prime is 5128165477. The next prime is 5128165517. The reversal of 5128165506 is 6055618215.

It is a sphenic number, since it is the product of 3 distinct primes.

5128165506 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427347120 + ... + 427347131.

It is an arithmetic number, because the mean of its divisors is an integer number (1282041378).

Almost surely, 2^5128165506 is an apocalyptic number.

5128165506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5128165506 is a wasteful number, since it uses less digits than its factorization.

5128165506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854694256.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 5128165506 is about 71611.2107564172. The cubic root of 5128165506 is about 1724.4635179413.

The spelling of 5128165506 in words is "five billion, one hundred twenty-eight million, one hundred sixty-five thousand, five hundred six".