165508113 has 8 divisors (see below), whose sum is σ = 220771008. Its totient is φ = 110291984.

The previous prime is 165508111. The next prime is 165508121. The reversal of 165508113 is 311805561.

165508113 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 a cyclic number.

It is not a de Polignac number, because 165508113 - 2¹ = 165508111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165508111) 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, 2370 + ... + 18347.

It is an arithmetic number, because the mean of its divisors is an integer number (27596376).

Almost surely, 2^165508113 is an apocalyptic number.

It is an amenable number.

165508113 is a deficient number, since it is larger than the sum of its proper divisors (55262895).

165508113 is a wasteful number, since it uses less digits than its factorization.

165508113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23383.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 165508113 is about 12864.9956471038. The cubic root of 165508113 is about 549.0430887113.

The spelling of 165508113 in words is "one hundred sixty-five million, five hundred eight thousand, one hundred thirteen".