516164311204 has 48 divisors (see below), whose sum is σ = 948785258736. Its totient is φ = 245462630400.

The previous prime is 516164311183. The next prime is 516164311211. The reversal of 516164311204 is 402113461615.

It can be written as a sum of positive squares in 8 ways, for example, as 6436852900 + 509727458304 = 80230^2 + 713952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 516164311204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175524 + ... + 1553764.

It is an arithmetic number, because the mean of its divisors is an integer number (19766359557).

Almost surely, 2^516164311204 is an apocalyptic number.

It is an amenable number.

516164311204 is a deficient number, since it is larger than the sum of its proper divisors (432620947532).

516164311204 is a wasteful number, since it uses less digits than its factorization.

516164311204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378496 (or 378494 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 516164311204 its reverse (402113461615), we get a palindrome (918277772819).

The spelling of 516164311204 in words is "five hundred sixteen billion, one hundred sixty-four million, three hundred eleven thousand, two hundred four".