16256144612426 has 4 divisors (see below), whose sum is σ = 24384216918642. Its totient is φ = 8128072306212.

The previous prime is 16256144612419. The next prime is 16256144612437. The reversal of 16256144612426 is 62421644165261.

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

It can be written as a sum of positive squares in only one way, i.e., 16191763162201 + 64381450225 = 4023899^2 + 253735^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4064036153105 + ... + 4064036153108.

Almost surely, 2^{16256144612426} is an apocalyptic number.

16256144612426 is a deficient number, since it is larger than the sum of its proper divisors (8128072306216).

16256144612426 is an equidigital number, since it uses as much as digits as its factorization.

16256144612426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128072306215.

The product of its digits is 3317760, while the sum is 50.

Adding to 16256144612426 its reverse (62421644165261), we get a palindrome (78677788777687).

The spelling of 16256144612426 in words is "sixteen trillion, two hundred fifty-six billion, one hundred forty-four million, six hundred twelve thousand, four hundred twenty-six".