16432532666552 has 64 divisors (see below), whose sum is σ = 32942325326400. Its totient is φ = 7665594280960.

The previous prime is 16432532666519. The next prime is 16432532666633. The reversal of 16432532666552 is 25566623523461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32923274 + ... + 33418662.

It is an arithmetic number, because the mean of its divisors is an integer number (514723833225).

Almost surely, 2^{16432532666552} is an apocalyptic number.

It is an amenable number.

16432532666552 is an abundant number, since it is smaller than the sum of its proper divisors (16509792659848).

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

16432532666552 is a wasteful number, since it uses less digits than its factorization.

16432532666552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499856 (or 499852 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 56.

The spelling of 16432532666552 in words is "sixteen trillion, four hundred thirty-two billion, five hundred thirty-two million, six hundred sixty-six thousand, five hundred fifty-two".