16866996000 has 96 divisors (see below), whose sum is σ = 55256318208. Its totient is φ = 4497862400.

The previous prime is 16866995987. The next prime is 16866996049. The reversal of 16866996000 is 69966861.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690792 + ... + 714791.

It is an arithmetic number, because the mean of its divisors is an integer number (575586648).

Almost surely, 2^16866996000 is an apocalyptic number.

16866996000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16866996000 is an abundant number, since it is smaller than the sum of its proper divisors (38389322208).

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

16866996000 is a wasteful number, since it uses less digits than its factorization.

16866996000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405611 (or 1405593 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 16866996000 in words is "sixteen billion, eight hundred sixty-six million, nine hundred ninety-six thousand".