165066470 has 16 divisors (see below), whose sum is σ = 298229040. Its totient is φ = 65780064.

The previous prime is 165066467. The next prime is 165066479. The reversal of 165066470 is 74660561.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 165066470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165066479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27992 + ... + 33371.

It is an arithmetic number, because the mean of its divisors is an integer number (18639315).

Almost surely, 2^165066470 is an apocalyptic number.

165066470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165066470 is a deficient number, since it is larger than the sum of its proper divisors (133162570).

165066470 is a wasteful number, since it uses less digits than its factorization.

165066470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61639.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 165066470 is about 12847.8196593819. The cubic root of 165066470 is about 548.5542968890.

The spelling of 165066470 in words is "one hundred sixty-five million, sixty-six thousand, four hundred seventy".