16254333664 has 48 divisors (see below), whose sum is σ = 33150297600. Its totient is φ = 7837073280.

The previous prime is 16254333647. The next prime is 16254333671. The reversal of 16254333664 is 46633345261.

16254333664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16254333664.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 251787 + ... + 309685.

It is an arithmetic number, because the mean of its divisors is an integer number (690631200).

Almost surely, 2^16254333664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16254333664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16575148800).

16254333664 is an abundant number, since it is smaller than the sum of its proper divisors (16895963936).

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

16254333664 is a wasteful number, since it uses less digits than its factorization.

16254333664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58223 (or 58215 counting only the distinct ones).

The product of its digits is 933120, while the sum is 43.

The spelling of 16254333664 in words is "sixteen billion, two hundred fifty-four million, three hundred thirty-three thousand, six hundred sixty-four".