165363412 has 12 divisors (see below), whose sum is σ = 289476180. Its totient is φ = 82655936.

The previous prime is 165363391. The next prime is 165363413. The reversal of 165363412 is 214363561.

It can be written as a sum of positive squares in 2 ways, for example, as 68459076 + 96904336 = 8274^2 + 9844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165363413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20688 + ... + 27544.

It is an arithmetic number, because the mean of its divisors is an integer number (24123015).

Almost surely, 2^165363412 is an apocalyptic number.

It is an amenable number.

165363412 is a deficient number, since it is larger than the sum of its proper divisors (124112768).

165363412 is a wasteful number, since it uses less digits than its factorization.

165363412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12890 (or 12888 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 165363412 is about 12859.3705911293. The cubic root of 165363412 is about 548.8830356342.

The spelling of 165363412 in words is "one hundred sixty-five million, three hundred sixty-three thousand, four hundred twelve".