16420126 has 4 divisors (see below), whose sum is σ = 24630192. Its totient is φ = 8210062.

The previous prime is 16420121. The next prime is 16420127. The reversal of 16420126 is 62102461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62102461 = 23 ⋅2700107.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16420097 and 16420106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16420121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105030 + ... + 4105033.

It is an arithmetic number, because the mean of its divisors is an integer number (6157548).

Almost surely, 2^16420126 is an apocalyptic number.

16420126 is a deficient number, since it is larger than the sum of its proper divisors (8210066).

16420126 is an equidigital number, since it uses as much as digits as its factorization.

16420126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210065.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16420126 is about 4052.1754651051. The cubic root of 16420126 is about 254.1707059228.

Adding to 16420126 its reverse (62102461), we get a palindrome (78522587).

The spelling of 16420126 in words is "sixteen million, four hundred twenty thousand, one hundred twenty-six".