165150265 has 8 divisors (see below), whose sum is σ = 226491840. Its totient is φ = 113245872.

The previous prime is 165150253. The next prime is 165150283. The reversal of 165150265 is 562051561.

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 165150265 - 2¹⁵ = 165117497 is a prime.

It is a super-2 number, since 2×165150265² = 54549220059140450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359255 + ... + 2359324.

It is an arithmetic number, because the mean of its divisors is an integer number (28311480).

Almost surely, 2^165150265 is an apocalyptic number.

It is an amenable number.

165150265 is a deficient number, since it is larger than the sum of its proper divisors (61341575).

165150265 is an equidigital number, since it uses as much as digits as its factorization.

165150265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718591.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 165150265 is about 12851.0803047837. The cubic root of 165150265 is about 548.6471046154.

The spelling of 165150265 in words is "one hundred sixty-five million, one hundred fifty thousand, two hundred sixty-five".