165110427 has 16 divisors (see below), whose sum is σ = 253044000. Its totient is φ = 106277472.

The previous prime is 165110419. The next prime is 165110453. The reversal of 165110427 is 724011561.

It is a happy number.

165110427 is a `hidden beast` number, since 1 + 651 + 1 + 0 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 165110427 - 2³ = 165110419 is a prime.

It is a super-2 number, since 2×165110427² = 54522906208244658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 165110427.

It is not an unprimeable number, because it can be changed into a prime (165110227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104652 + ... + 106217.

It is an arithmetic number, because the mean of its divisors is an integer number (15815250).

Almost surely, 2^165110427 is an apocalyptic number.

165110427 is a deficient number, since it is larger than the sum of its proper divisors (87933573).

165110427 is a wasteful number, since it uses less digits than its factorization.

165110427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210907 (or 210901 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 165110427 is about 12849.5302248759. The cubic root of 165110427 is about 548.6029856811.

Adding to 165110427 its reverse (724011561), we get a palindrome (889121988).

It can be divided in two parts, 165 and 110427, that added together give a cube (110592 = 48³).

The spelling of 165110427 in words is "one hundred sixty-five million, one hundred ten thousand, four hundred twenty-seven".