516345014642 has 16 divisors (see below), whose sum is σ = 804388083480. Its totient is φ = 248372454528.

The previous prime is 516345014629. The next prime is 516345014677. The reversal of 516345014642 is 246410543615.

It can be written as a sum of positive squares in 4 ways, for example, as 309257219881 + 207087794761 = 556109^2 + 455069^2 .

It is a super-2 number, since 2×516345014642² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516345014642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39193613 + ... + 39206784.

Almost surely, 2^516345014642 is an apocalyptic number.

516345014642 is a deficient number, since it is larger than the sum of its proper divisors (288043068838).

516345014642 is a wasteful number, since it uses less digits than its factorization.

516345014642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78400525.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 516345014642 in words is "five hundred sixteen billion, three hundred forty-five million, fourteen thousand, six hundred forty-two".