16400555164 has 12 divisors (see below), whose sum is σ = 32801110384. Its totient is φ = 7028809344.

The previous prime is 16400555159. The next prime is 16400555167. The reversal of 16400555164 is 46155500461.

16400555164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

16400555164 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16400555167) 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 3 ways as a sum of consecutive naturals, for example, 292867029 + ... + 292867084.

Almost surely, 2^16400555164 is an apocalyptic number.

16400555164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16400555164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16400555164 is a wasteful number, since it uses less digits than its factorization.

16400555164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585734124 (or 585734122 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 16400555164 in words is "sixteen billion, four hundred million, five hundred fifty-five thousand, one hundred sixty-four".