16646122 has 8 divisors (see below), whose sum is σ = 24997536. Its totient is φ = 8313612.

The previous prime is 16646099. The next prime is 16646167. The reversal of 16646122 is 22164661.

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

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, 2268 + ... + 6199.

It is an arithmetic number, because the mean of its divisors is an integer number (3124692).

Almost surely, 2^16646122 is an apocalyptic number.

16646122 is a deficient number, since it is larger than the sum of its proper divisors (8351414).

16646122 is an equidigital number, since it uses as much as digits as its factorization.

16646122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452.

The product of its digits is 3456, while the sum is 28.

The square root of 16646122 is about 4079.9659312303. The cubic root of 16646122 is about 255.3314771631.

The spelling of 16646122 in words is "sixteen million, six hundred forty-six thousand, one hundred twenty-two".