16662632 has 32 divisors (see below), whose sum is σ = 36246720. Its totient is φ = 7032960.

The previous prime is 16662589. The next prime is 16662637. The reversal of 16662632 is 23626661.

It is not an unprimeable number, because it can be changed into a prime (16662637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532 + ... + 5972.

It is an arithmetic number, because the mean of its divisors is an integer number (1132710).

Almost surely, 2^16662632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16662632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18123360).

16662632 is an abundant number, since it is smaller than the sum of its proper divisors (19584088).

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

16662632 is a wasteful number, since it uses less digits than its factorization.

16662632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521 (or 4517 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 16662632 is about 4081.9887309987. The cubic root of 16662632 is about 255.4158637802.

The spelling of 16662632 in words is "sixteen million, six hundred sixty-two thousand, six hundred thirty-two".