165441368 has 16 divisors (see below), whose sum is σ = 310713000. Its totient is φ = 82584576.

The previous prime is 165441361. The next prime is 165441371. The reversal of 165441368 is 863144561.

It is a super-2 number, since 2×165441368² = 54741692491422848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165441361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11753 + ... + 21656.

Almost surely, 2^165441368 is an apocalyptic number.

It is an amenable number.

165441368 is a deficient number, since it is larger than the sum of its proper divisors (145271632).

165441368 is a wasteful number, since it uses less digits than its factorization.

165441368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34034 (or 34030 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 165441368 is about 12862.4013310113. The cubic root of 165441368 is about 548.9692739851.

The spelling of 165441368 in words is "one hundred sixty-five million, four hundred forty-one thousand, three hundred sixty-eight".