516128073 has 16 divisors (see below), whose sum is σ = 720182400. Its totient is φ = 328166784.

The previous prime is 516128071. The next prime is 516128077. The reversal of 516128073 is 370821615.

It is not a de Polignac number, because 516128073 - 2¹ = 516128071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516128071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13365 + ... + 34797.

It is an arithmetic number, because the mean of its divisors is an integer number (45011400).

Almost surely, 2^516128073 is an apocalyptic number.

It is an amenable number.

516128073 is a deficient number, since it is larger than the sum of its proper divisors (204054327).

516128073 is a wasteful number, since it uses less digits than its factorization.

516128073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21808.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 516128073 is about 22718.4522580215. The cubic root of 516128073 is about 802.1442854357.

Adding to 516128073 its reverse (370821615), we get a palindrome (886949688).

It can be divided in two parts, 51612 and 8073, that added together give a triangular number (59685 = T₃₄₅).

The spelling of 516128073 in words is "five hundred sixteen million, one hundred twenty-eight thousand, seventy-three".