16663883004 has 96 divisors (see below), whose sum is σ = 45845130240. Its totient is φ = 5216327424.

The previous prime is 16663882999. The next prime is 16663883087. The reversal of 16663883004 is 40038836661.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840267 + ... + 859869.

It is an arithmetic number, because the mean of its divisors is an integer number (477553440).

Almost surely, 2^16663883004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16663883004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22922565120).

16663883004 is an abundant number, since it is smaller than the sum of its proper divisors (29181247236).

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

16663883004 is a wasteful number, since it uses less digits than its factorization.

16663883004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20096 (or 20088 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 16663883004 in words is "sixteen billion, six hundred sixty-three million, eight hundred eighty-three thousand, four".