165418337 has 16 divisors (see below), whose sum is σ = 193651200. Its totient is φ = 138378240.

The previous prime is 165418301. The next prime is 165418367. The reversal of 165418337 is 733814561.

It is not a de Polignac number, because 165418337 - 2¹⁰ = 165417313 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 165418337.

It is not an unprimeable number, because it can be changed into a prime (165418367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47537 + ... + 50897.

It is an arithmetic number, because the mean of its divisors is an integer number (12103200).

Almost surely, 2^165418337 is an apocalyptic number.

It is an amenable number.

165418337 is a deficient number, since it is larger than the sum of its proper divisors (28232863).

165418337 is an equidigital number, since it uses as much as digits as its factorization.

165418337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536.

The product of its digits is 60480, while the sum is 38.

The square root of 165418337 is about 12861.5060160154. The cubic root of 165418337 is about 548.9437989014.

It can be divided in two parts, 1654 and 18337, that added together give a palindrome (19991).

The spelling of 165418337 in words is "one hundred sixty-five million, four hundred eighteen thousand, three hundred thirty-seven".