165284539600422 has 64 divisors (see below), whose sum is σ = 363695003255808. Its totient is φ = 50073295932000.

The previous prime is 165284539600391. The next prime is 165284539600463. The reversal of 165284539600422 is 224006935482561.

It is a super-2 number, since 2×165284539600422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28292547 + ... + 33630897.

It is an arithmetic number, because the mean of its divisors is an integer number (5682734425872).

Almost surely, 2^{165284539600422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165284539600422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181847501627904).

165284539600422 is an abundant number, since it is smaller than the sum of its proper divisors (198410463655386).

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

165284539600422 is a wasteful number, since it uses less digits than its factorization.

165284539600422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342266 (or 5342244 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 57.

The spelling of 165284539600422 in words is "one hundred sixty-five trillion, two hundred eighty-four billion, five hundred thirty-nine million, six hundred thousand, four hundred twenty-two".