165368043 has 24 divisors (see below), whose sum is σ = 251836416. Its totient is φ = 104410800.

The previous prime is 165368041. The next prime is 165368051. The reversal of 165368043 is 340863561.

165368043 is a `hidden beast` number, since 1 + 6 + 536 + 80 + 43 = 666.

It is not a de Polignac number, because 165368043 - 2¹ = 165368041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165367989 and 165368007.

It is not an unprimeable number, because it can be changed into a prime (165368041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6808 + ... + 19418.

It is an arithmetic number, because the mean of its divisors is an integer number (10493184).

Almost surely, 2^165368043 is an apocalyptic number.

165368043 is a deficient number, since it is larger than the sum of its proper divisors (86468373).

165368043 is a wasteful number, since it uses less digits than its factorization.

165368043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695 (or 12692 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 165368043 is about 12859.5506531138. The cubic root of 165368043 is about 548.8881594069. Note that the first 3 decimals are identical.

It can be divided in two parts, 1653 and 68043, that added together give a palindrome (69696).

The spelling of 165368043 in words is "one hundred sixty-five million, three hundred sixty-eight thousand, forty-three".