165155066 has 8 divisors (see below), whose sum is σ = 249117120. Its totient is φ = 82116028.

The previous prime is 165155063. The next prime is 165155069. The reversal of 165155066 is 660551561.

It is an interprime number because it is at equal distance from previous prime (165155063) and next prime (165155069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (165155063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230306 + ... + 231021.

It is an arithmetic number, because the mean of its divisors is an integer number (31139640).

Almost surely, 2^165155066 is an apocalyptic number.

165155066 is a deficient number, since it is larger than the sum of its proper divisors (83962054).

165155066 is a wasteful number, since it uses less digits than its factorization.

165155066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461508.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 165155066 is about 12851.2670970609. The cubic root of 165155066 is about 548.6524210449.

The spelling of 165155066 in words is "one hundred sixty-five million, one hundred fifty-five thousand, sixty-six".