162170420411 has 4 divisors (see below), whose sum is σ = 162322124400. Its totient is φ = 162018716424.

The previous prime is 162170420393. The next prime is 162170420429. The reversal of 162170420411 is 114024071261.

It is a happy number.

162170420411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114024071261 = 198179 ⋅575359.

It is an interprime number because it is at equal distance from previous prime (162170420393) and next prime (162170420429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162170420411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162170425411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75850391 + ... + 75852528.

It is an arithmetic number, because the mean of its divisors is an integer number (40580531100).

Almost surely, 2^162170420411 is an apocalyptic number.

162170420411 is a deficient number, since it is larger than the sum of its proper divisors (151703989).

162170420411 is a wasteful number, since it uses less digits than its factorization.

162170420411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151703988.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 162170420411 its reverse (114024071261), we get a palindrome (276194491672).

The spelling of 162170420411 in words is "one hundred sixty-two billion, one hundred seventy million, four hundred twenty thousand, four hundred eleven".