516665600000 has 576 divisors, whose sum is σ = 1451072750400. Its totient is φ = 182272000000.

The previous prime is 516665599987. The next prime is 516665600027. The reversal of 516665600000 is 6566615.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2886399911 + ... + 2886400089.

It is an arithmetic number, because the mean of its divisors is an integer number (2519223525).

Almost surely, 2^516665600000 is an apocalyptic number.

516665600000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516665600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725536375200).

516665600000 is an abundant number, since it is smaller than the sum of its proper divisors (934407150400).

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

516665600000 is an equidigital number, since it uses as much as digits as its factorization.

516665600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 516665600000 in words is "five hundred sixteen billion, six hundred sixty-five million, six hundred thousand".