165043222036 has 48 divisors (see below), whose sum is σ = 360153843840. Its totient is φ = 64291921920.

The previous prime is 165043222013. The next prime is 165043222129. The reversal of 165043222036 is 630222340561.

It is a junction number, because it is equal to n+sod(n) for n = 165043221992 and 165043222010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969896 + ... + 2051968.

It is an arithmetic number, because the mean of its divisors is an integer number (7503205080).

Almost surely, 2^165043222036 is an apocalyptic number.

It is an amenable number.

165043222036 is an abundant number, since it is smaller than the sum of its proper divisors (195110621804).

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

165043222036 is a wasteful number, since it uses less digits than its factorization.

165043222036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88624 (or 88622 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 165043222036 its reverse (630222340561), we get a palindrome (795265562597).

The spelling of 165043222036 in words is "one hundred sixty-five billion, forty-three million, two hundred twenty-two thousand, thirty-six".