16126393 has 4 divisors (see below), whose sum is σ = 16136820. Its totient is φ = 16115968.

The previous prime is 16126391. The next prime is 16126399. The reversal of 16126393 is 39362161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11343424 + 4782969 = 3368^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 16126393 - 2¹ = 16126391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16126391) 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 3 ways as a sum of consecutive naturals, for example, 2380 + ... + 6157.

It is an arithmetic number, because the mean of its divisors is an integer number (4034205).

Almost surely, 2^16126393 is an apocalyptic number.

It is an amenable number.

16126393 is a deficient number, since it is larger than the sum of its proper divisors (10427).

16126393 is an equidigital number, since it uses as much as digits as its factorization.

16126393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426.

The product of its digits is 5832, while the sum is 31.

The square root of 16126393 is about 4015.7680460903. The cubic root of 16126393 is about 252.6459921015.

The spelling of 16126393 in words is "sixteen million, one hundred twenty-six thousand, three hundred ninety-three".