165030355 has 16 divisors (see below), whose sum is σ = 226540800. Its totient is φ = 113056992.

The previous prime is 165030353. The next prime is 165030361. The reversal of 165030355 is 553030561.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 165030355 - 2¹ = 165030353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165030353) 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, 59796 + ... + 62494.

It is an arithmetic number, because the mean of its divisors is an integer number (14158800).

Almost surely, 2^165030355 is an apocalyptic number.

165030355 is a deficient number, since it is larger than the sum of its proper divisors (61510445).

165030355 is a wasteful number, since it uses less digits than its factorization.

165030355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 165030355 is about 12846.4140910995. The cubic root of 165030355 is about 548.5142877875.

The spelling of 165030355 in words is "one hundred sixty-five million, thirty thousand, three hundred fifty-five".