164223344950 has 24 divisors (see below), whose sum is σ = 349091911152. Its totient is φ = 56305146720.

The previous prime is 164223344899. The next prime is 164223344977. The reversal of 164223344950 is 59443322461.

164223344950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164223344897 and 164223344906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234604429 + ... + 234605128.

It is an arithmetic number, because the mean of its divisors is an integer number (14545496298).

Almost surely, 2^164223344950 is an apocalyptic number.

164223344950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164223344950 is an abundant number, since it is smaller than the sum of its proper divisors (184868566202).

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

164223344950 is a wasteful number, since it uses less digits than its factorization.

164223344950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469209576 (or 469209571 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 164223344950 in words is "one hundred sixty-four billion, two hundred twenty-three million, three hundred forty-four thousand, nine hundred fifty".