16650006 has 8 divisors (see below), whose sum is σ = 33300024. Its totient is φ = 5550000.

The previous prime is 16650001. The next prime is 16650041. The reversal of 16650006 is 60005661.

It is a sphenic number, since it is the product of 3 distinct primes.

16650006 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16650001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387495 + ... + 1387506.

It is an arithmetic number, because the mean of its divisors is an integer number (4162503).

Almost surely, 2^16650006 is an apocalyptic number.

16650006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16650006 is a wasteful number, since it uses less digits than its factorization.

16650006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775006.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 16650006 is about 4080.4418878352. The cubic root of 16650006 is about 255.3513342472.

Adding to 16650006 its reverse (60005661), we get a palindrome (76655667).

The spelling of 16650006 in words is "sixteen million, six hundred fifty thousand, six".