665622162 has 48 divisors (see below), whose sum is σ = 1507267008. Its totient is φ = 211891680.

The previous prime is 665622157. The next prime is 665622169. The reversal of 665622162 is 261226566.

665622162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (665622169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484108 + ... + 485480.

It is an arithmetic number, because the mean of its divisors is an integer number (31401396).

Almost surely, 2^665622162 is an apocalyptic number.

665622162 is an abundant number, since it is smaller than the sum of its proper divisors (841644846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665622162 is a wasteful number, since it uses less digits than its factorization.

665622162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2572 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 665622162 is about 25799.6543000095. The cubic root of 665622162 is about 873.1239968257.

The spelling of 665622162 in words is "six hundred sixty-five million, six hundred twenty-two thousand, one hundred sixty-two".