162164446181 has 8 divisors (see below), whose sum is σ = 165277762560. Its totient is φ = 159079824288.

The previous prime is 162164446151. The next prime is 162164446219. The reversal of 162164446181 is 181644461261.

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 162164446181 - 2⁶ = 162164446117 is a prime.

It is a super-2 number, since 2×162164446181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162164446121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7162211 + ... + 7184816.

It is an arithmetic number, because the mean of its divisors is an integer number (20659720320).

Almost surely, 2^162164446181 is an apocalyptic number.

It is an amenable number.

162164446181 is a deficient number, since it is larger than the sum of its proper divisors (3113316379).

162164446181 is a wasteful number, since it uses less digits than its factorization.

162164446181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347243.

The product of its digits is 221184, while the sum is 44.

The spelling of 162164446181 in words is "one hundred sixty-two billion, one hundred sixty-four million, four hundred forty-six thousand, one hundred eighty-one".