16683566403132 has 36 divisors (see below), whose sum is σ = 42172559091936. Its totient is φ = 5561161018560.

The previous prime is 16683566403067. The next prime is 16683566403139. The reversal of 16683566403132 is 23130466538661.

16683566403132 is a `hidden beast` number, since 1 + 6 + 6 + 8 + 3 + 566 + 40 + 3 + 1 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16683566403139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6920832 + ... + 9014712.

It is an arithmetic number, because the mean of its divisors is an integer number (1171459974776).

Almost surely, 2^{16683566403132} is an apocalyptic number.

16683566403132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16683566403132 is an abundant number, since it is smaller than the sum of its proper divisors (25488992688804).

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

16683566403132 is a wasteful number, since it uses less digits than its factorization.

16683566403132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315218 (or 2315213 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 16683566403132 in words is "sixteen trillion, six hundred eighty-three billion, five hundred sixty-six million, four hundred three thousand, one hundred thirty-two".