162385846722553 has 4 divisors (see below), whose sum is σ = 162451404192420. Its totient is φ = 162320289252688.

The previous prime is 162385846722551. The next prime is 162385846722581. The reversal of 162385846722553 is 355227648583261.

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 63785971238544 + 98599875484009 = 7986612^2 + 9929747^2 .

It is a cyclic number.

It is not a de Polignac number, because 162385846722553 - 2¹ = 162385846722551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162385846722551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32778731218 + ... + 32778736171.

It is an arithmetic number, because the mean of its divisors is an integer number (40612851048105).

Almost surely, 2^{162385846722553} is an apocalyptic number.

It is an amenable number.

162385846722553 is a deficient number, since it is larger than the sum of its proper divisors (65557469867).

162385846722553 is an equidigital number, since it uses as much as digits as its factorization.

162385846722553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65557469866.

The product of its digits is 580608000, while the sum is 67.

The spelling of 162385846722553 in words is "one hundred sixty-two trillion, three hundred eighty-five billion, eight hundred forty-six million, seven hundred twenty-two thousand, five hundred fifty-three".