543621140064 has 36 divisors (see below), whose sum is σ = 1545922617876. Its totient is φ = 181207046592.

The previous prime is 543621140063. The next prime is 543621140071. The reversal of 543621140064 is 460041126345.

543621140064 is a `hidden beast` number, since 5 + 4 + 36 + 211 + 400 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543621140063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 943786414 + ... + 943786989.

It is an arithmetic number, because the mean of its divisors is an integer number (42942294941).

Almost surely, 2^543621140064 is an apocalyptic number.

It is an amenable number.

543621140064 is an abundant number, since it is smaller than the sum of its proper divisors (1002301477812).

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

543621140064 is a wasteful number, since it uses less digits than its factorization.

543621140064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887573419 (or 1887573408 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 543621140064 in words is "five hundred forty-three billion, six hundred twenty-one million, one hundred forty thousand, sixty-four".