16426640530045 has 4 divisors (see below), whose sum is σ = 19711968636060. Its totient is φ = 13141312424032.

The previous prime is 16426640530039. The next prime is 16426640530049. The reversal of 16426640530045 is 54003504662461.

16426640530045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3155351821561 + 13271288708484 = 1776331^2 + 3642978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16426640530045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16426640529977 and 16426640530004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426640530049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642664053000 + ... + 1642664053009.

It is an arithmetic number, because the mean of its divisors is an integer number (4927992159015).

Almost surely, 2^{16426640530045} is an apocalyptic number.

It is an amenable number.

16426640530045 is a deficient number, since it is larger than the sum of its proper divisors (3285328106015).

16426640530045 is an equidigital number, since it uses as much as digits as its factorization.

16426640530045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285328106014.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 16426640530045 in words is "sixteen trillion, four hundred twenty-six billion, six hundred forty million, five hundred thirty thousand, forty-five".