516551055600 has 60 divisors (see below), whose sum is σ = 1654685218616. Its totient is φ = 137746947840.

The previous prime is 516551055563. The next prime is 516551055611. The reversal of 516551055600 is 6550155615.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215228407 + ... + 215230806.

Almost surely, 2^516551055600 is an apocalyptic number.

516551055600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

516551055600 is an abundant number, since it is smaller than the sum of its proper divisors (1138134163016).

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

516551055600 is a wasteful number, since it uses less digits than its factorization.

516551055600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430459234 (or 430459223 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 516551055600 in words is "five hundred sixteen billion, five hundred fifty-one million, fifty-five thousand, six hundred".