16364821111408 has 80 divisors (see below), whose sum is σ = 39680914116096. Its totient is φ = 6351661221120.

The previous prime is 16364821111403. The next prime is 16364821111451. The reversal of 16364821111408 is 80411112846361.

16364821111408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16364821111403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24929091 + ... + 25577122.

Almost surely, 2^{16364821111408} is an apocalyptic number.

It is an amenable number.

16364821111408 is an abundant number, since it is smaller than the sum of its proper divisors (23316093004688).

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

16364821111408 is a wasteful number, since it uses less digits than its factorization.

16364821111408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50506502 (or 50506496 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

Adding to 16364821111408 its reverse (80411112846361), we get a palindrome (96775933957769).

The spelling of 16364821111408 in words is "sixteen trillion, three hundred sixty-four billion, eight hundred twenty-one million, one hundred eleven thousand, four hundred eight".