165316722 has 8 divisors (see below), whose sum is σ = 330633456. Its totient is φ = 55105572.

The previous prime is 165316717. The next prime is 165316727. The reversal of 165316722 is 227613561.

It is an interprime number because it is at equal distance from previous prime (165316717) and next prime (165316727).

It is a sphenic number, since it is the product of 3 distinct primes.

165316722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (165316727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13776388 + ... + 13776399.

It is an arithmetic number, because the mean of its divisors is an integer number (41329182).

Almost surely, 2^165316722 is an apocalyptic number.

165316722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165316722 is a wasteful number, since it uses less digits than its factorization.

165316722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27552792.

The product of its digits is 15120, while the sum is 33.

The square root of 165316722 is about 12857.5550552973. Note that the first 3 decimals coincide. The cubic root of 165316722 is about 548.8313721275.

The spelling of 165316722 in words is "one hundred sixty-five million, three hundred sixteen thousand, seven hundred twenty-two".