16021926 has 12 divisors (see below), whose sum is σ = 34714212. Its totient is φ = 5340636.

The previous prime is 16021919. The next prime is 16021927. The reversal of 16021926 is 62912061.

It is a super-2 number, since 2×16021926² = 513404225498952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16021926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445036 + ... + 445071.

It is an arithmetic number, because the mean of its divisors is an integer number (2892851).

Almost surely, 2^16021926 is an apocalyptic number.

16021926 is an abundant number, since it is smaller than the sum of its proper divisors (18692286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16021926 is a wasteful number, since it uses less digits than its factorization.

16021926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890115 (or 890112 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 16021926 is about 4002.7398116790. The cubic root of 16021926 is about 252.0992617275.

Subtracting from 16021926 its product of nonzero digits (1296), we obtain a triangular number (16020630 = T₅₆₆₀).

Adding to 16021926 its reverse (62912061), we get a palindrome (78933987).

The spelling of 16021926 in words is "sixteen million, twenty-one thousand, nine hundred twenty-six".