557667835812 has 144 divisors (see below), whose sum is σ = 1507727999232. Its totient is φ = 173366645760.

The previous prime is 557667835807. The next prime is 557667835847. The reversal of 557667835812 is 218538766755.

557667835812 is a `hidden beast` number, since 5 + 576 + 6 + 7 + 8 + 3 + 58 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 557667835812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72543033 + ... + 72550719.

It is an arithmetic number, because the mean of its divisors is an integer number (10470333328).

Almost surely, 2^557667835812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557667835812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753863999616).

557667835812 is an abundant number, since it is smaller than the sum of its proper divisors (950060163420).

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

557667835812 is a wasteful number, since it uses less digits than its factorization.

557667835812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9898 (or 9893 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 63.

The spelling of 557667835812 in words is "five hundred fifty-seven billion, six hundred sixty-seven million, eight hundred thirty-five thousand, eight hundred twelve".