16403559548052 has 48 divisors (see below), whose sum is σ = 38301964854272. Its totient is φ = 5463998246880.

The previous prime is 16403559548021. The next prime is 16403559548053. The reversal of 16403559548052 is 25084595530461.

It is a junction number, because it is equal to n+sod(n) for n = 16403559547983 and 16403559548001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16403559548053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120278133 + ... + 120414435.

Almost surely, 2^{16403559548052} is an apocalyptic number.

16403559548052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16403559548052 is an abundant number, since it is smaller than the sum of its proper divisors (21898405306220).

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

16403559548052 is a wasteful number, since it uses less digits than its factorization.

16403559548052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143308 (or 143306 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 57.

The spelling of 16403559548052 in words is "sixteen trillion, four hundred three billion, five hundred fifty-nine million, five hundred forty-eight thousand, fifty-two".