543674464956 has 216 divisors, whose sum is σ = 1684996120080. Its totient is φ = 146968141824.

The previous prime is 543674464939. The next prime is 543674464981. The reversal of 543674464956 is 659464476345.

543674464956 is a `hidden beast` number, since 5 + 4 + 36 + 74 + 46 + 495 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 543674464893 and 543674464902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26702076 + ... + 26722428.

Almost surely, 2^543674464956 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 543674464956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842498060040).

543674464956 is an abundant number, since it is smaller than the sum of its proper divisors (1141321655124).

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

543674464956 is a wasteful number, since it uses less digits than its factorization.

543674464956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193 (or 21181 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 63.

The spelling of 543674464956 in words is "five hundred forty-three billion, six hundred seventy-four million, four hundred sixty-four thousand, nine hundred fifty-six".