162611444161 has 8 divisors (see below), whose sum is σ = 164186779680. Its totient is φ = 161037138528.

The previous prime is 162611444111. The next prime is 162611444183. The reversal of 162611444161 is 161444116261.

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

It is a cyclic number.

It is not a de Polignac number, because 162611444161 - 2¹¹ = 162611442113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162611444161.

It is not an unprimeable number, because it can be changed into a prime (162611444111) 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, 61750 + ... + 573616.

It is an arithmetic number, because the mean of its divisors is an integer number (20523347460).

Almost surely, 2^162611444161 is an apocalyptic number.

It is an amenable number.

162611444161 is a deficient number, since it is larger than the sum of its proper divisors (1575335519).

162611444161 is a wasteful number, since it uses less digits than its factorization.

162611444161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514943.

The product of its digits is 27648, while the sum is 37.

The spelling of 162611444161 in words is "one hundred sixty-two billion, six hundred eleven million, four hundred forty-four thousand, one hundred sixty-one".