16885360128 has 320 divisors, whose sum is σ = 55931420160. Its totient is φ = 4407754752.

The previous prime is 16885360073. The next prime is 16885360133. The reversal of 16885360128 is 82106358861.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14955468 + ... + 14956596.

It is an arithmetic number, because the mean of its divisors is an integer number (174785688).

Almost surely, 2^16885360128 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 16885360128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27965710080).

16885360128 is an abundant number, since it is smaller than the sum of its proper divisors (39046060032).

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

16885360128 is a wasteful number, since it uses less digits than its factorization.

16885360128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 16885360128 in words is "sixteen billion, eight hundred eighty-five million, three hundred sixty thousand, one hundred twenty-eight".