165394006 has 8 divisors (see below), whose sum is σ = 248162040. Its totient is φ = 82673328.

The previous prime is 165393947. The next prime is 165394007. The reversal of 165394006 is 600493561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165394007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191 + ... + 18226.

It is an arithmetic number, because the mean of its divisors is an integer number (31020255).

Almost surely, 2^165394006 is an apocalyptic number.

165394006 is a deficient number, since it is larger than the sum of its proper divisors (82768034).

165394006 is a wasteful number, since it uses less digits than its factorization.

165394006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23678.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 165394006 is about 12860.5600966676. The cubic root of 165394006 is about 548.9168832911.

It can be divided in two parts, 1653 and 94006, that added together give a palindrome (95659).

The spelling of 165394006 in words is "one hundred sixty-five million, three hundred ninety-four thousand, six".