165616822 has 32 divisors (see below), whose sum is σ = 307625472. Its totient is φ = 65245824.

The previous prime is 165616819. The next prime is 165616877. The reversal of 165616822 is 228616561.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2143 + ... + 18325.

It is an arithmetic number, because the mean of its divisors is an integer number (9613296).

Almost surely, 2^165616822 is an apocalyptic number.

165616822 is a deficient number, since it is larger than the sum of its proper divisors (142008650).

165616822 is a wasteful number, since it uses less digits than its factorization.

165616822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252.

The product of its digits is 34560, while the sum is 37.

The square root of 165616822 is about 12869.2199452803. The cubic root of 165616822 is about 549.1632698537.

The spelling of 165616822 in words is "one hundred sixty-five million, six hundred sixteen thousand, eight hundred twenty-two".