16600871885 has 16 divisors (see below), whose sum is σ = 21543217920. Its totient is φ = 12207800640.

The previous prime is 16600871867. The next prime is 16600871891. The reversal of 16600871885 is 58817800661.

It is not a de Polignac number, because 16600871885 - 2¹⁶ = 16600806349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518771 + ... + 549840.

It is an arithmetic number, because the mean of its divisors is an integer number (1346451120).

Almost surely, 2^16600871885 is an apocalyptic number.

It is an amenable number.

16600871885 is a deficient number, since it is larger than the sum of its proper divisors (4942346035).

16600871885 is a wasteful number, since it uses less digits than its factorization.

16600871885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068868.

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 16600871885 in words is "sixteen billion, six hundred million, eight hundred seventy-one thousand, eight hundred eighty-five".