516345064042 has 8 divisors (see below), whose sum is σ = 774520644996. Its totient is φ = 258171515712.

The previous prime is 516345064033. The next prime is 516345064043. The reversal of 516345064042 is 240460543615.

It can be written as a sum of positive squares in 2 ways, for example, as 443887730001 + 72457334041 = 666249^2 + 269179^2 .

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

It is a super-2 number, since 2×516345064042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516345063986 and 516345064004.

It is not an unprimeable number, because it can be changed into a prime (516345064043) 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 3 ways as a sum of consecutive naturals, for example, 744738 + ... + 1259890.

Almost surely, 2^516345064042 is an apocalyptic number.

516345064042 is a deficient number, since it is larger than the sum of its proper divisors (258175580954).

516345064042 is a wasteful number, since it uses less digits than its factorization.

516345064042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016312.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 516345064042 in words is "five hundred sixteen billion, three hundred forty-five million, sixty-four thousand, forty-two".