165327144111 has 48 divisors (see below), whose sum is σ = 251853618432. Its totient is φ = 104368435200.

The previous prime is 165327144109. The next prime is 165327144119. The reversal of 165327144111 is 111441723561.

165327144111 is a `hidden beast` number, since 1 + 6 + 532 + 7 + 1 + 4 + 4 + 111 = 666.

It is not a de Polignac number, because 165327144111 - 2¹ = 165327144109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165327144119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3259501 + ... + 3309833.

It is an arithmetic number, because the mean of its divisors is an integer number (5246950384).

Almost surely, 2^165327144111 is an apocalyptic number.

165327144111 is a deficient number, since it is larger than the sum of its proper divisors (86526474321).

165327144111 is a wasteful number, since it uses less digits than its factorization.

165327144111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50624 (or 50621 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

Adding to 165327144111 its reverse (111441723561), we get a palindrome (276768867672).

The spelling of 165327144111 in words is "one hundred sixty-five billion, three hundred twenty-seven million, one hundred forty-four thousand, one hundred eleven".