165410911 has 6 divisors (see below), whose sum is σ = 167620560. Its totient is φ = 163204236.

The previous prime is 165410909. The next prime is 165410929. The reversal of 165410911 is 119014561.

It is not a de Polignac number, because 165410911 - 2¹ = 165410909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165410911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165410951) 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 5 ways as a sum of consecutive naturals, for example, 113590 + ... + 115036.

It is an arithmetic number, because the mean of its divisors is an integer number (27936760).

Almost surely, 2^165410911 is an apocalyptic number.

165410911 is a deficient number, since it is larger than the sum of its proper divisors (2209649).

165410911 is an frugal number, since it uses more digits than its factorization.

165410911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 165410911 is about 12861.2173218557. The cubic root of 165410911 is about 548.9355843392.

The spelling of 165410911 in words is "one hundred sixty-five million, four hundred ten thousand, nine hundred eleven".