16543444256632 has 8 divisors (see below), whose sum is σ = 31018957981200. Its totient is φ = 8271722128312.

The previous prime is 16543444256621. The next prime is 16543444256657. The reversal of 16543444256632 is 23665244434561.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1033965266032 + ... + 1033965266047.

It is an arithmetic number, because the mean of its divisors is an integer number (3877369747650).

Almost surely, 2^{16543444256632} is an apocalyptic number.

It is an amenable number.

16543444256632 is a deficient number, since it is larger than the sum of its proper divisors (14475513724568).

16543444256632 is a wasteful number, since it uses less digits than its factorization.

16543444256632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067930532085 (or 2067930532081 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 55.

The spelling of 16543444256632 in words is "sixteen trillion, five hundred forty-three billion, four hundred forty-four million, two hundred fifty-six thousand, six hundred thirty-two".