16003443157164 has 192 divisors, whose sum is σ = 45121929216000. Its totient is φ = 4886467871040.

The previous prime is 16003443157153. The next prime is 16003443157171. The reversal of 16003443157164 is 46175134430061.

16003443157164 is a `hidden beast` number, since 1 + 6 + 0 + 0 + 3 + 4 + 431 + 57 + 164 = 666.

16003443157164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16003443157164² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73872597 + ... + 74088915.

It is an arithmetic number, because the mean of its divisors is an integer number (235010048000).

Almost surely, 2^{16003443157164} 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 16003443157164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22560964608000).

16003443157164 is an abundant number, since it is smaller than the sum of its proper divisors (29118486058836).

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

16003443157164 is a wasteful number, since it uses less digits than its factorization.

16003443157164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217545 (or 217537 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 16003443157164 in words is "sixteen trillion, three billion, four hundred forty-three million, one hundred fifty-seven thousand, one hundred sixty-four".