16681022 has 8 divisors (see below), whose sum is σ = 25102416. Its totient is φ = 8313552.

The previous prime is 16681013. The next prime is 16681037. The reversal of 16681022 is 22018661.

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

It is a junction number, because it is equal to n+sod(n) for n = 16680982 and 16681000.

It is a congruent number.

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, 12698 + ... + 13949.

It is an arithmetic number, because the mean of its divisors is an integer number (3137802).

Almost surely, 2^16681022 is an apocalyptic number.

16681022 is a deficient number, since it is larger than the sum of its proper divisors (8421394).

16681022 is a wasteful number, since it uses less digits than its factorization.

16681022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26962.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 16681022 is about 4084.2406883043. The cubic root of 16681022 is about 255.5097939345.

Adding to 16681022 its reverse (22018661), we get a palindrome (38699683).

The spelling of 16681022 in words is "sixteen million, six hundred eighty-one thousand, twenty-two".