165353667 has 8 divisors (see below), whose sum is σ = 220683600. Its totient is φ = 110129760.

The previous prime is 165353651. The next prime is 165353681. The reversal of 165353667 is 766353561.

It is a happy number.

165353667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165353667 - 2⁴ = 165353651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165353767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22792 + ... + 29157.

It is an arithmetic number, because the mean of its divisors is an integer number (27585450).

Almost surely, 2^165353667 is an apocalyptic number.

165353667 is a deficient number, since it is larger than the sum of its proper divisors (55329933).

165353667 is a wasteful number, since it uses less digits than its factorization.

165353667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53013.

The product of its digits is 340200, while the sum is 42.

The square root of 165353667 is about 12858.9916789770. The cubic root of 165353667 is about 548.8722533816.

It can be divided in two parts, 16535 and 3667, that added together give a palindrome (20202).

The spelling of 165353667 in words is "one hundred sixty-five million, three hundred fifty-three thousand, six hundred sixty-seven".