16446632052 has 12 divisors (see below), whose sum is σ = 38375474816. Its totient is φ = 5482210680.

The previous prime is 16446632039. The next prime is 16446632101. The reversal of 16446632052 is 25023664461.

16446632052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16446632052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685276324 + ... + 685276347.

Almost surely, 2^16446632052 is an apocalyptic number.

16446632052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16446632052 is an abundant number, since it is smaller than the sum of its proper divisors (21928842764).

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

16446632052 is a wasteful number, since it uses less digits than its factorization.

16446632052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370552678 (or 1370552676 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 16446632052 in words is "sixteen billion, four hundred forty-six million, six hundred thirty-two thousand, fifty-two".