165622006 has 8 divisors (see below), whose sum is σ = 271017864. Its totient is φ = 75282720.

The previous prime is 165621997. The next prime is 165622013. The reversal of 165622006 is 600226561.

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

It is a congruent number.

It is an unprimeable number.

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, 3764115 + ... + 3764158.

It is an arithmetic number, because the mean of its divisors is an integer number (33877233).

Almost surely, 2^165622006 is an apocalyptic number.

165622006 is a deficient number, since it is larger than the sum of its proper divisors (105395858).

165622006 is a wasteful number, since it uses less digits than its factorization.

165622006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528286.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 165622006 is about 12869.4213545132. The cubic root of 165622006 is about 549.1689996112.

Adding to 165622006 its reverse (600226561), we get a palindrome (765848567).

The spelling of 165622006 in words is "one hundred sixty-five million, six hundred twenty-two thousand, six".