165235012 has 6 divisors (see below), whose sum is σ = 289161278. Its totient is φ = 82617504.

The previous prime is 165234983. The next prime is 165235061. The reversal of 165235012 is 210532561.

It can be written as a sum of positive squares in only one way, i.e., 165019716 + 215296 = 12846^2 + 464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20654373 + ... + 20654380.

Almost surely, 2^165235012 is an apocalyptic number.

It is an amenable number.

165235012 is a deficient number, since it is larger than the sum of its proper divisors (123926266).

165235012 is a wasteful number, since it uses less digits than its factorization.

165235012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41308757 (or 41308755 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 165235012 is about 12854.3771533280. The cubic root of 165235012 is about 548.7409348115.

Adding to 165235012 its reverse (210532561), we get a palindrome (375767573).

The spelling of 165235012 in words is "one hundred sixty-five million, two hundred thirty-five thousand, twelve".