16550032 has 40 divisors (see below), whose sum is σ = 33704192. Its totient is φ = 7862400.

The previous prime is 16549999. The next prime is 16550047. The reversal of 16550032 is 23005561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16549985 and 16550012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29983 + ... + 30529.

Almost surely, 2^16550032 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 16550032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16852096).

16550032 is an abundant number, since it is smaller than the sum of its proper divisors (17154160).

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

16550032 is a wasteful number, since it uses less digits than its factorization.

16550032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 16550032 is about 4068.1730543329. The cubic root of 16550032 is about 254.8392271203.

Adding to 16550032 its reverse (23005561), we get a palindrome (39555593).

The spelling of 16550032 in words is "sixteen million, five hundred fifty thousand, thirty-two".