445637688616 has 16 divisors (see below), whose sum is σ = 835584848640. Its totient is φ = 222815062320.

The previous prime is 445637688593. The next prime is 445637688647. The reversal of 445637688616 is 616886736544.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63865 + ... + 946231.

It is an arithmetic number, because the mean of its divisors is an integer number (52224053040).

Almost surely, 2^445637688616 is an apocalyptic number.

It is an amenable number.

445637688616 is a deficient number, since it is larger than the sum of its proper divisors (389947160024).

445637688616 is a wasteful number, since it uses less digits than its factorization.

445637688616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945504 (or 945500 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 64.

The spelling of 445637688616 in words is "four hundred forty-five billion, six hundred thirty-seven million, six hundred eighty-eight thousand, six hundred sixteen".