16909941888 has 256 divisors, whose sum is σ = 60394118400. Its totient is φ = 4547100672.

The previous prime is 16909941869. The next prime is 16909941911. The reversal of 16909941888 is 88814990961.

It is a super-2 number, since 2×16909941888² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390706 + ... + 431822.

It is an arithmetic number, because the mean of its divisors is an integer number (235914525).

Almost surely, 2^16909941888 is an apocalyptic number.

16909941888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16909941888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30197059200).

16909941888 is an abundant number, since it is smaller than the sum of its proper divisors (43484176512).

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

16909941888 is a wasteful number, since it uses less digits than its factorization.

16909941888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41164 (or 41146 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 63.

The spelling of 16909941888 in words is "sixteen billion, nine hundred nine million, nine hundred forty-one thousand, eight hundred eighty-eight".