516505706556 has 96 divisors (see below), whose sum is σ = 1381867963392. Its totient is φ = 147089433600.

The previous prime is 516505706551. The next prime is 516505706581. The reversal of 516505706556 is 655607505615.

It is a super-2 number, since 2×516505706556² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516505706499 and 516505706508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516505706551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48735450 + ... + 48746046.

It is an arithmetic number, because the mean of its divisors is an integer number (14394457952).

Almost surely, 2^516505706556 is an apocalyptic number.

It is an amenable number.

516505706556 is an abundant number, since it is smaller than the sum of its proper divisors (865362256836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516505706556 is a wasteful number, since it uses less digits than its factorization.

516505706556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12459 (or 12457 counting only the distinct ones).

The product of its (nonzero) digits is 4725000, while the sum is 51.

The spelling of 516505706556 in words is "five hundred sixteen billion, five hundred five million, seven hundred six thousand, five hundred fifty-six".