162211660159 has 4 divisors (see below), whose sum is σ = 162215730216. Its totient is φ = 162207590104.

The previous prime is 162211660153. The next prime is 162211660183. The reversal of 162211660159 is 951066112261.

It is a happy number.

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-162211660159 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162211660153) 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, 1974649 + ... + 2055154.

It is an arithmetic number, because the mean of its divisors is an integer number (40553932554).

Almost surely, 2^162211660159 is an apocalyptic number.

162211660159 is a deficient number, since it is larger than the sum of its proper divisors (4070057).

162211660159 is an equidigital number, since it uses as much as digits as its factorization.

162211660159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070056.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 162211660159 in words is "one hundred sixty-two billion, two hundred eleven million, six hundred sixty thousand, one hundred fifty-nine".