516505556104 has 8 divisors (see below), whose sum is σ = 968447917710. Its totient is φ = 258252778048.

The previous prime is 516505556071. The next prime is 516505556113. The reversal of 516505556104 is 401655505615.

It can be written as a sum of positive squares in only one way, i.e., 377524224900 + 138981331204 = 614430^2 + 372802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32281597249 + ... + 32281597264.

Almost surely, 2^516505556104 is an apocalyptic number.

It is an amenable number.

516505556104 is a deficient number, since it is larger than the sum of its proper divisors (451942361606).

516505556104 is a wasteful number, since it uses less digits than its factorization.

516505556104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64563194519 (or 64563194515 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 516505556104 in words is "five hundred sixteen billion, five hundred five million, five hundred fifty-six thousand, one hundred four".