165235011 has 8 divisors (see below), whose sum is σ = 227910480. Its totient is φ = 106358112.

The previous prime is 165234983. The next prime is 165235061. The reversal of 165235011 is 110532561.

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

It is not a de Polignac number, because 165235011 - 2⁶ = 165234947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165235061) by changing a digit.

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, 949540 + ... + 949713.

It is an arithmetic number, because the mean of its divisors is an integer number (28488810).

Almost surely, 2^165235011 is an apocalyptic number.

165235011 is a deficient number, since it is larger than the sum of its proper divisors (62675469).

165235011 is a wasteful number, since it uses less digits than its factorization.

165235011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899285.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 165235011 is about 12854.3771144307. The cubic root of 165235011 is about 548.7409337045.

Adding to 165235011 its reverse (110532561), we get a palindrome (275767572).

It can be divided in two parts, 1652 and 35011, that added together give a palindrome (36663).

The spelling of 165235011 in words is "one hundred sixty-five million, two hundred thirty-five thousand, eleven".