2016872171888 has 40 divisors (see below), whose sum is σ = 4619928874080. Its totient is φ = 834567793920.

The previous prime is 2016872171887. The next prime is 2016872171921. The reversal of 2016872171888 is 8881712786102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016872171887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310475843 + ... + 310482338.

It is an arithmetic number, because the mean of its divisors is an integer number (115498221852).

Almost surely, 2^{2016872171888} is an apocalyptic number.

2016872171888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2016872171888 is an abundant number, since it is smaller than the sum of its proper divisors (2603056702192).

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

2016872171888 is a wasteful number, since it uses less digits than its factorization.

2016872171888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620958225 (or 620958219 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 59.

The spelling of 2016872171888 in words is "two trillion, sixteen billion, eight hundred seventy-two million, one hundred seventy-one thousand, eight hundred eighty-eight".