162315205243 has 4 divisors (see below), whose sum is σ = 166702102720. Its totient is φ = 157928307768.

The previous prime is 162315205193. The next prime is 162315205249. The reversal of 162315205243 is 342502513261.

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

It is a cyclic number.

It is not a de Polignac number, because 162315205243 - 2⁹ = 162315204731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162315205199 and 162315205208.

It is not an unprimeable number, because it can be changed into a prime (162315205249) 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, 2193448683 + ... + 2193448756.

It is an arithmetic number, because the mean of its divisors is an integer number (41675525680).

Almost surely, 2^162315205243 is an apocalyptic number.

162315205243 is a deficient number, since it is larger than the sum of its proper divisors (4386897477).

162315205243 is an equidigital number, since it uses as much as digits as its factorization.

162315205243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386897476.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 162315205243 in words is "one hundred sixty-two billion, three hundred fifteen million, two hundred five thousand, two hundred forty-three".