165375353 has 16 divisors (see below), whose sum is σ = 194999616. Its totient is φ = 138267840.

The previous prime is 165375349. The next prime is 165375403. The reversal of 165375353 is 353573561.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 165375353 - 2² = 165375349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165372353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39926 + ... + 43872.

It is an arithmetic number, because the mean of its divisors is an integer number (12187476).

Almost surely, 2^165375353 is an apocalyptic number.

165375353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165375353 is a deficient number, since it is larger than the sum of its proper divisors (29624263).

165375353 is a wasteful number, since it uses less digits than its factorization.

165375353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264.

The product of its digits is 141750, while the sum is 38.

The square root of 165375353 is about 12859.8348745231. The cubic root of 165375353 is about 548.8962470504.

The spelling of 165375353 in words is "one hundred sixty-five million, three hundred seventy-five thousand, three hundred fifty-three".