165102221512050 has 24 divisors (see below), whose sum is σ = 409453509350256. Its totient is φ = 44027259069840.

The previous prime is 165102221511971. The next prime is 165102221512103. The reversal of 165102221512050 is 50215122201561.

165102221512050 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550340738224 + ... + 550340738523.

It is an arithmetic number, because the mean of its divisors is an integer number (17060562889594).

Almost surely, 2^{165102221512050} is an apocalyptic number.

165102221512050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165102221512050 is an abundant number, since it is smaller than the sum of its proper divisors (244351287838206).

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

165102221512050 is a wasteful number, since it uses less digits than its factorization.

165102221512050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100681476762 (or 1100681476757 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 165102221512050 in words is "one hundred sixty-five trillion, one hundred two billion, two hundred twenty-one million, five hundred twelve thousand, fifty".