516028681 has 16 divisors (see below), whose sum is σ = 605708928. Its totient is φ = 430416000.

The previous prime is 516028663. The next prime is 516028703. The reversal of 516028681 is 186820615.

It is not a de Polignac number, because 516028681 - 2⁵ = 516028649 is a prime.

It is a super-2 number, since 2×516028681² = 532571199229199522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516028681.

It is not an unprimeable number, because it can be changed into a prime (516028631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81531 + ... + 87631.

It is an arithmetic number, because the mean of its divisors is an integer number (37856808).

Almost surely, 2^516028681 is an apocalyptic number.

It is an amenable number.

516028681 is a deficient number, since it is larger than the sum of its proper divisors (89680247).

516028681 is a wasteful number, since it uses less digits than its factorization.

516028681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 516028681 is about 22716.2646797399. The cubic root of 516028681 is about 802.0927918580.

The spelling of 516028681 in words is "five hundred sixteen million, twenty-eight thousand, six hundred eighty-one".