2016166557200 has 30 divisors (see below), whose sum is σ = 4843840154634. Its totient is φ = 806466622720.

The previous prime is 2016166557193. The next prime is 2016166557203. The reversal of 2016166557200 is 27556616102.

It can be written as a sum of positive squares in 3 ways, for example, as 459580949776 + 1556585607424 = 677924^2 + 1247632^2 .

It is not an unprimeable number, because it can be changed into a prime (2016166557203) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2520207797 + ... + 2520208596.

Almost surely, 2^{2016166557200} is an apocalyptic number.

2016166557200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016166557200 is an abundant number, since it is smaller than the sum of its proper divisors (2827673597434).

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

2016166557200 is a wasteful number, since it uses less digits than its factorization.

2016166557200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040416411 (or 5040416400 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 2016166557200 in words is "two trillion, sixteen billion, one hundred sixty-six million, five hundred fifty-seven thousand, two hundred".