16540126 has 4 divisors (see below), whose sum is σ = 24810192. Its totient is φ = 8270062.

The previous prime is 16540123. The next prime is 16540159. The reversal of 16540126 is 62104561.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16540126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16540123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4135030 + ... + 4135033.

It is an arithmetic number, because the mean of its divisors is an integer number (6202548).

Almost surely, 2^16540126 is an apocalyptic number.

16540126 is a deficient number, since it is larger than the sum of its proper divisors (8270066).

16540126 is an equidigital number, since it uses as much as digits as its factorization.

16540126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270065.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 16540126 is about 4066.9553722656. The cubic root of 16540126 is about 254.7883724106.

Adding to 16540126 its reverse (62104561), we get a palindrome (78644687).

The spelling of 16540126 in words is "sixteen million, five hundred forty thousand, one hundred twenty-six".