165252122 has 8 divisors (see below), whose sum is σ = 283289376. Its totient is φ = 70822332.

The previous prime is 165252107. The next prime is 165252133. The reversal of 165252122 is 221252561.

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

It is a junction number, because it is equal to n+sod(n) for n = 165252091 and 165252100.

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, 5901848 + ... + 5901875.

It is an arithmetic number, because the mean of its divisors is an integer number (35411172).

Almost surely, 2^165252122 is an apocalyptic number.

165252122 is a deficient number, since it is larger than the sum of its proper divisors (118037254).

165252122 is a wasteful number, since it uses less digits than its factorization.

165252122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803732.

The product of its digits is 2400, while the sum is 26.

The square root of 165252122 is about 12855.0426681517. The cubic root of 165252122 is about 548.7598747711.

The spelling of 165252122 in words is "one hundred sixty-five million, two hundred fifty-two thousand, one hundred twenty-two".