16205530563552 has 96 divisors (see below), whose sum is σ = 46452742479360. Its totient is φ = 4905899550720.

The previous prime is 16205530563539. The next prime is 16205530563553. The reversal of 16205530563552 is 25536503550261.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205530563553) 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, 6539128 + ... + 8670135.

It is an arithmetic number, because the mean of its divisors is an integer number (483882734160).

Almost surely, 2^{16205530563552} is an apocalyptic number.

16205530563552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16205530563552 is an abundant number, since it is smaller than the sum of its proper divisors (30247211915808).

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

16205530563552 is a wasteful number, since it uses less digits than its factorization.

16205530563552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210296 (or 15210288 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 48.

The spelling of 16205530563552 in words is "sixteen trillion, two hundred five billion, five hundred thirty million, five hundred sixty-three thousand, five hundred fifty-two".