516005881 has 8 divisors (see below), whose sum is σ = 532995584. Its totient is φ = 499037760.

The previous prime is 516005873. The next prime is 516005899. The reversal of 516005881 is 188500615.

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

It is a cyclic number.

It is not a de Polignac number, because 516005881 - 2³ = 516005873 is a prime.

It is a super-4 number, since 4×516005881⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516005821) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 53620 + ... + 62506.

It is an arithmetic number, because the mean of its divisors is an integer number (66624448).

Almost surely, 2^516005881 is an apocalyptic number.

It is an amenable number.

516005881 is a deficient number, since it is larger than the sum of its proper divisors (16989703).

516005881 is a wasteful number, since it uses less digits than its factorization.

516005881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10791.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 516005881 is about 22715.7628311268. The cubic root of 516005881 is about 802.0809785708.

The spelling of 516005881 in words is "five hundred sixteen million, five thousand, eight hundred eighty-one".