162712212161 has 8 divisors (see below), whose sum is σ = 169807476480. Its totient is φ = 155618682912.

The previous prime is 162712212151. The next prime is 162712212199. The reversal of 162712212161 is 161212217261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162712212161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162712212151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240281 + ... + 618998.

It is an arithmetic number, because the mean of its divisors is an integer number (21225934560).

Almost surely, 2^162712212161 is an apocalyptic number.

It is an amenable number.

162712212161 is a deficient number, since it is larger than the sum of its proper divisors (7095264319).

162712212161 is an equidigital number, since it uses as much as digits as its factorization.

162712212161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867535.

The product of its digits is 4032, while the sum is 32.

The spelling of 162712212161 in words is "one hundred sixty-two billion, seven hundred twelve million, two hundred twelve thousand, one hundred sixty-one".