16632400 has 60 divisors (see below), whose sum is σ = 40930912. Its totient is φ = 6491520.

The previous prime is 16632379. The next prime is 16632403. The reversal of 16632400 is 423661.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16632403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16717 + ... + 17683.

Almost surely, 2^16632400 is an apocalyptic number.

16632400 is a gapful number since it is divisible by the number (10) 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 16632400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20465456).

16632400 is an abundant number, since it is smaller than the sum of its proper divisors (24298512).

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

16632400 is a wasteful number, since it uses less digits than its factorization.

16632400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16632400 is about 4078.2839528409. The cubic root of 16632400 is about 255.2612982209.

The spelling of 16632400 in words is "sixteen million, six hundred thirty-two thousand, four hundred".