16660122 has 8 divisors (see below), whose sum is σ = 33320256. Its totient is φ = 5553372.

The previous prime is 16660109. The next prime is 16660151. The reversal of 16660122 is 22106661.

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

16660122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16660092 and 16660101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388338 + ... + 1388349.

It is an arithmetic number, because the mean of its divisors is an integer number (4165032).

Almost surely, 2^16660122 is an apocalyptic number.

16660122 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.

16660122 is a wasteful number, since it uses less digits than its factorization.

16660122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776692.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16660122 is about 4081.6812712411. The cubic root of 16660122 is about 255.4030381552.

Adding to 16660122 its reverse (22106661), we get a palindrome (38766783).

The spelling of 16660122 in words is "sixteen million, six hundred sixty thousand, one hundred twenty-two".