516540536656 has 20 divisors (see below), whose sum is σ = 1007425091104. Its totient is φ = 256559868000.

The previous prime is 516540536653. The next prime is 516540536671. The reversal of 516540536656 is 656635045615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516540536653) 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, 106897530 + ... + 106902361.

Almost surely, 2^516540536656 is an apocalyptic number.

It is an amenable number.

516540536656 is a deficient number, since it is larger than the sum of its proper divisors (490884554448).

516540536656 is a wasteful number, since it uses less digits than its factorization.

516540536656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213800050 (or 213800044 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 52.

The spelling of 516540536656 in words is "five hundred sixteen billion, five hundred forty million, five hundred thirty-six thousand, six hundred fifty-six".