516182851856 has 120 divisors (see below), whose sum is σ = 1243808891136. Its totient is φ = 202579937280.

The previous prime is 516182851853. The next prime is 516182851871. The reversal of 516182851856 is 658158281615.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (516182851853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2507561 + ... + 2705591.

Almost surely, 2^516182851856 is an apocalyptic number.

516182851856 is a gapful number since it is divisible by the number (56) 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 516182851856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621904445568).

516182851856 is an abundant number, since it is smaller than the sum of its proper divisors (727626039280).

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

516182851856 is a wasteful number, since it uses less digits than its factorization.

516182851856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198137 (or 198094 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 56.

The spelling of 516182851856 in words is "five hundred sixteen billion, one hundred eighty-two million, eight hundred fifty-one thousand, eight hundred fifty-six".