16945407164 has 36 divisors (see below), whose sum is σ = 34504089984. Its totient is φ = 7260615936.

The previous prime is 16945407161. The next prime is 16945407233. The reversal of 16945407164 is 46170454961.

16945407164 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 (16945407161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1191077 + ... + 1205219.

It is an arithmetic number, because the mean of its divisors is an integer number (958446944).

Almost surely, 2^16945407164 is an apocalyptic number.

16945407164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16945407164 is an abundant number, since it is smaller than the sum of its proper divisors (17558682820).

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

16945407164 is a wasteful number, since it uses less digits than its factorization.

16945407164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20274 (or 20265 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 16945407164 in words is "sixteen billion, nine hundred forty-five million, four hundred seven thousand, one hundred sixty-four".