165662226 has 32 divisors (see below), whose sum is σ = 371945280. Its totient is φ = 54649728.

The previous prime is 165662191. The next prime is 165662227. The reversal of 165662226 is 622266561.

165662226 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 622 + 26 = 666.

It is not an unprimeable number, because it can be changed into a prime (165662227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10576 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (11623290).

Almost surely, 2^165662226 is an apocalyptic number.

165662226 is an abundant number, since it is smaller than the sum of its proper divisors (206283054).

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

165662226 is a wasteful number, since it uses less digits than its factorization.

165662226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31735 (or 31729 counting only the distinct ones).

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

The square root of 165662226 is about 12870.9838784764. The cubic root of 165662226 is about 549.2134498023.

The spelling of 165662226 in words is "one hundred sixty-five million, six hundred sixty-two thousand, two hundred twenty-six".