165622010 has 8 divisors (see below), whose sum is σ = 298119636. Its totient is φ = 66248800.

The previous prime is 165621997. The next prime is 165622013. The reversal of 165622010 is 10226561.

It can be written as a sum of positive squares in 2 ways, for example, as 162843121 + 2778889 = 12761^2 + 1667^2 .

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

It is not an unprimeable number, because it can be changed into a prime (165622013) 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, 8281091 + ... + 8281110.

Almost surely, 2^165622010 is an apocalyptic number.

165622010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165622010 is a deficient number, since it is larger than the sum of its proper divisors (132497626).

165622010 is a wasteful number, since it uses less digits than its factorization.

165622010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562208.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 165622010 is about 12869.4215099203. The cubic root of 165622010 is about 549.1690040322.

Adding to 165622010 its reverse (10226561), we get a palindrome (175848571).

The spelling of 165622010 in words is "one hundred sixty-five million, six hundred twenty-two thousand, ten".