165727322358 has 32 divisors (see below), whose sum is σ = 358432321632. Its totient is φ = 50781427200.

The previous prime is 165727322351. The next prime is 165727322381. The reversal of 165727322358 is 853223727561.

It is a self number, because there is not a number n which added to its sum of digits gives 165727322358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165727322351) 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, 4389313 + ... + 4426908.

It is an arithmetic number, because the mean of its divisors is an integer number (11201010051).

Almost surely, 2^165727322358 is an apocalyptic number.

165727322358 is an abundant number, since it is smaller than the sum of its proper divisors (192704999274).

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

165727322358 is a wasteful number, since it uses less digits than its factorization.

165727322358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816480.

The product of its digits is 4233600, while the sum is 51.

The spelling of 165727322358 in words is "one hundred sixty-five billion, seven hundred twenty-seven million, three hundred twenty-two thousand, three hundred fifty-eight".