165465055 has 8 divisors (see below), whose sum is σ = 226923552. Its totient is φ = 113461728.

The previous prime is 165465043. The next prime is 165465061. The reversal of 165465055 is 550564561.

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 165465055 - 2⁵ = 165465023 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2363752 + ... + 2363821.

It is an arithmetic number, because the mean of its divisors is an integer number (28365444).

Almost surely, 2^165465055 is an apocalyptic number.

165465055 is a deficient number, since it is larger than the sum of its proper divisors (61458497).

165465055 is an equidigital number, since it uses as much as digits as its factorization.

165465055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727585.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 165465055 is about 12863.3220825726. The cubic root of 165465055 is about 548.9954722183.

The spelling of 165465055 in words is "one hundred sixty-five million, four hundred sixty-five thousand, fifty-five".