16650036 has 120 divisors (see below), whose sum is σ = 48380640. Its totient is φ = 4961088.

The previous prime is 16650001. The next prime is 16650041. The reversal of 16650036 is 63005661.

16650036 is a `hidden beast` number, since 1 + 6 + 650 + 0 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16649991 and 16650009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 248475 + ... + 248541.

It is an arithmetic number, because the mean of its divisors is an integer number (403172).

Almost surely, 2^16650036 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 16650036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24190320).

16650036 is an abundant number, since it is smaller than the sum of its proper divisors (31730604).

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

16650036 is a wasteful number, since it uses less digits than its factorization.

16650036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 16650036 is about 4080.4455639060. The cubic root of 16650036 is about 255.3514876113.

Adding to 16650036 its reverse (63005661), we get a palindrome (79655697).

The spelling of 16650036 in words is "sixteen million, six hundred fifty thousand, thirty-six".