45543271668 has 24 divisors (see below), whose sum is σ = 106609339200. Its totient is φ = 15132275520.

The previous prime is 45543271661. The next prime is 45543271687. The reversal of 45543271668 is 86617234554.

It is a self number, because there is not a number n which added to its sum of digits gives 45543271668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543271661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6097993 + ... + 6105456.

It is an arithmetic number, because the mean of its divisors is an integer number (4442055800).

Almost surely, 2^45543271668 is an apocalyptic number.

It is an amenable number.

45543271668 is an abundant number, since it is smaller than the sum of its proper divisors (61066067532).

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

45543271668 is a wasteful number, since it uses less digits than its factorization.

45543271668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203767 (or 12203765 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The spelling of 45543271668 in words is "forty-five billion, five hundred forty-three million, two hundred seventy-one thousand, six hundred sixty-eight".