162057320443 has 4 divisors (see below), whose sum is σ = 162063187888. Its totient is φ = 162051453000.

The previous prime is 162057320437. The next prime is 162057320519. The reversal of 162057320443 is 344023750261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162057320443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162057326443) 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, 2892096 + ... + 2947597.

It is an arithmetic number, because the mean of its divisors is an integer number (40515796972).

Almost surely, 2^162057320443 is an apocalyptic number.

162057320443 is a deficient number, since it is larger than the sum of its proper divisors (5867445).

162057320443 is an equidigital number, since it uses as much as digits as its factorization.

162057320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867444.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 162057320443 in words is "one hundred sixty-two billion, fifty-seven million, three hundred twenty thousand, four hundred forty-three".