168027221950 has 24 divisors (see below), whose sum is σ = 357177866832. Its totient is φ = 57609333120.

The previous prime is 168027221941. The next prime is 168027221951. The reversal of 168027221950 is 59122720861.

It is a junction number, because it is equal to n+sod(n) for n = 168027221897 and 168027221906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168027221951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240038539 + ... + 240039238.

It is an arithmetic number, because the mean of its divisors is an integer number (14882411118).

Almost surely, 2^168027221950 is an apocalyptic number.

168027221950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168027221950 is an abundant number, since it is smaller than the sum of its proper divisors (189150644882).

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

168027221950 is a wasteful number, since it uses less digits than its factorization.

168027221950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480077796 (or 480077791 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 168027221950 in words is "one hundred sixty-eight billion, twenty-seven million, two hundred twenty-one thousand, nine hundred fifty".