16675221206 has 16 divisors (see below), whose sum is σ = 29250887424. Its totient is φ = 6980324904.

The previous prime is 16675221203. The next prime is 16675221247. The reversal of 16675221206 is 60212257661.

It is a self number, because there is not a number n which added to its sum of digits gives 16675221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16675221203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13849250 + ... + 13850453.

It is an arithmetic number, because the mean of its divisors is an integer number (1828180464).

Almost surely, 2^16675221206 is an apocalyptic number.

16675221206 is a deficient number, since it is larger than the sum of its proper divisors (12575666218).

16675221206 is a wasteful number, since it uses less digits than its factorization.

16675221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27699755.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 16675221206 its reverse (60212257661), we get a palindrome (76887478867).

The spelling of 16675221206 in words is "sixteen billion, six hundred seventy-five million, two hundred twenty-one thousand, two hundred six".