165152122 has 8 divisors (see below), whose sum is σ = 247785876. Its totient is φ = 82556832.

The previous prime is 165152083. The next prime is 165152131. The reversal of 165152122 is 221251561.

It can be written as a sum of positive squares in 2 ways, for example, as 162333081 + 2819041 = 12741^2 + 1679^2 .

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

It is a super-2 number, since 2×165152122² = 54550446802205768, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6568 + ... + 19324.

Almost surely, 2^165152122 is an apocalyptic number.

165152122 is a deficient number, since it is larger than the sum of its proper divisors (82633754).

165152122 is a wasteful number, since it uses less digits than its factorization.

165152122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19232.

The product of its digits is 1200, while the sum is 25.

The square root of 165152122 is about 12851.1525553158. The cubic root of 165152122 is about 548.6491609929.

The spelling of 165152122 in words is "one hundred sixty-five million, one hundred fifty-two thousand, one hundred twenty-two".