165168235 has 8 divisors (see below), whose sum is σ = 208633680. Its totient is φ = 125180064.

The previous prime is 165168187. The next prime is 165168271. The reversal of 165168235 is 532861561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165168235 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165168194 and 165168203.

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 7 ways as a sum of consecutive naturals, for example, 869212 + ... + 869401.

It is an arithmetic number, because the mean of its divisors is an integer number (26079210).

Almost surely, 2^165168235 is an apocalyptic number.

165168235 is a deficient number, since it is larger than the sum of its proper divisors (43465445).

165168235 is a wasteful number, since it uses less digits than its factorization.

165168235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738637.

The product of its digits is 43200, while the sum is 37.

The square root of 165168235 is about 12851.7794487767. The cubic root of 165168235 is about 548.6670033238.

It can be divided in two parts, 1 and 65168235, that added together give a triangular number (65168236 = T₁₁₄₁₆).

The spelling of 165168235 in words is "one hundred sixty-five million, one hundred sixty-eight thousand, two hundred thirty-five".