16563703536372 has 48 divisors (see below), whose sum is σ = 38825699182592. Its totient is φ = 5495992460640.

The previous prime is 16563703536371. The next prime is 16563703536409. The reversal of 16563703536372 is 27363530736561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16563703536371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688708 + ... + 5796699.

Almost surely, 2^{16563703536372} is an apocalyptic number.

16563703536372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16563703536372 is an abundant number, since it is smaller than the sum of its proper divisors (22261995646220).

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

16563703536372 is a wasteful number, since it uses less digits than its factorization.

16563703536372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486388 (or 6486386 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 57.

The spelling of 16563703536372 in words is "sixteen trillion, five hundred sixty-three billion, seven hundred three million, five hundred thirty-six thousand, three hundred seventy-two".