165066334 has 4 divisors (see below), whose sum is σ = 247599504. Its totient is φ = 82533166.

The previous prime is 165066329. The next prime is 165066337. The reversal of 165066334 is 433660561.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 165066334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165066337) 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 as a sum of consecutive naturals, namely, 41266582 + ... + 41266585.

It is an arithmetic number, because the mean of its divisors is an integer number (61899876).

Almost surely, 2^165066334 is an apocalyptic number.

165066334 is a deficient number, since it is larger than the sum of its proper divisors (82533170).

165066334 is an equidigital number, since it uses as much as digits as its factorization.

165066334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82533169.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 165066334 is about 12847.8143666540. The cubic root of 165066334 is about 548.5541462357.

The spelling of 165066334 in words is "one hundred sixty-five million, sixty-six thousand, three hundred thirty-four".