16419926 has 16 divisors (see below), whose sum is σ = 26717040. Its totient is φ = 7537920.

The previous prime is 16419911. The next prime is 16419929. The reversal of 16419926 is 62991461.

It is a super-2 number, since 2×16419926² = 539227939690952, 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 16419926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16419929) 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, 4496 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (1669815).

Almost surely, 2^16419926 is an apocalyptic number.

16419926 is a deficient number, since it is larger than the sum of its proper divisors (10297114).

16419926 is a wasteful number, since it uses less digits than its factorization.

16419926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839.

The product of its digits is 23328, while the sum is 38.

The square root of 16419926 is about 4052.1507869279. The cubic root of 16419926 is about 254.1696739708.

The spelling of 16419926 in words is "sixteen million, four hundred nineteen thousand, nine hundred twenty-six".