543423862656 has 192 divisors, whose sum is σ = 1717070125680. Its totient is φ = 170485751808.

The previous prime is 543423862601. The next prime is 543423862703. The reversal of 543423862656 is 656268324345.

It is a happy number.

543423862656 is a `hidden beast` number, since 5 + 4 + 3 + 4 + 2 + 3 + 8 + 626 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14910 + ... + 1042626.

Almost surely, 2^543423862656 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 543423862656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858535062840).

543423862656 is an abundant number, since it is smaller than the sum of its proper divisors (1173646263024).

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

543423862656 is a wasteful number, since it uses less digits than its factorization.

543423862656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027763 (or 1027739 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 543423862656 in words is "five hundred forty-three billion, four hundred twenty-three million, eight hundred sixty-two thousand, six hundred fifty-six".