16303644132 has 12 divisors (see below), whose sum is σ = 38041836336. Its totient is φ = 5434548040.

The previous prime is 16303644083. The next prime is 16303644151. The reversal of 16303644132 is 23144630361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 16303644093 and 16303644102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679318494 + ... + 679318517.

It is an arithmetic number, because the mean of its divisors is an integer number (3170153028).

Almost surely, 2^16303644132 is an apocalyptic number.

16303644132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16303644132 is an abundant number, since it is smaller than the sum of its proper divisors (21738192204).

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

16303644132 is a wasteful number, since it uses less digits than its factorization.

16303644132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358637018 (or 1358637016 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 16303644132 in words is "sixteen billion, three hundred three million, six hundred forty-four thousand, one hundred thirty-two".