320443607126 has 4 divisors (see below), whose sum is σ = 480665410692. Its totient is φ = 160221803562.

The previous prime is 320443607101. The next prime is 320443607131. The reversal of 320443607126 is 621706344023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621706344023 = 4493 ⋅138372211.

It is a self number, because there is not a number n which added to its sum of digits gives 320443607126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80110901780 + ... + 80110901783.

It is an arithmetic number, because the mean of its divisors is an integer number (120166352673).

Almost surely, 2^320443607126 is an apocalyptic number.

320443607126 is a deficient number, since it is larger than the sum of its proper divisors (160221803566).

320443607126 is a wasteful number, since it uses less digits than its factorization.

320443607126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160221803565.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 320443607126 in words is "three hundred twenty billion, four hundred forty-three million, six hundred seven thousand, one hundred twenty-six".