16662446122 has 16 divisors (see below), whose sum is σ = 29485619712. Its totient is φ = 6910691760.

The previous prime is 16662446083. The next prime is 16662446123. The reversal of 16662446122 is 22164426661.

It is a happy number.

It is a super-2 number, since 2×16662446122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16662446123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19195933 + ... + 19196800.

It is an arithmetic number, because the mean of its divisors is an integer number (1842851232).

Almost surely, 2^16662446122 is an apocalyptic number.

16662446122 is a deficient number, since it is larger than the sum of its proper divisors (12823173590).

16662446122 is a wasteful number, since it uses less digits than its factorization.

16662446122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38392773.

The product of its digits is 165888, while the sum is 40.

The spelling of 16662446122 in words is "sixteen billion, six hundred sixty-two million, four hundred forty-six thousand, one hundred twenty-two".