16544566632 has 128 divisors (see below), whose sum is σ = 48085954560. Its totient is φ = 4693413120.

The previous prime is 16544566589. The next prime is 16544566639. The reversal of 16544566632 is 23666544561.

It is not an unprimeable number, because it can be changed into a prime (16544566639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256398 + ... + 314370.

It is an arithmetic number, because the mean of its divisors is an integer number (375671520).

Almost surely, 2^16544566632 is an apocalyptic number.

16544566632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16544566632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24042977280).

16544566632 is an abundant number, since it is smaller than the sum of its proper divisors (31541387928).

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

16544566632 is a wasteful number, since it uses less digits than its factorization.

16544566632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58063 (or 58059 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The spelling of 16544566632 in words is "sixteen billion, five hundred forty-four million, five hundred sixty-six thousand, six hundred thirty-two".