438044166162 has 64 divisors (see below), whose sum is σ = 985524883200. Its totient is φ = 144209341440.

The previous prime is 438044166137. The next prime is 438044166199. The reversal of 438044166162 is 261661440834.

438044166162 is a `hidden beast` number, since 43 + 8 + 0 + 441 + 6 + 6 + 162 = 666.

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, 1710898 + ... + 1950194.

It is an arithmetic number, because the mean of its divisors is an integer number (15398826300).

Almost surely, 2^438044166162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438044166162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492762441600).

438044166162 is an abundant number, since it is smaller than the sum of its proper divisors (547480717038).

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

438044166162 is a wasteful number, since it uses less digits than its factorization.

438044166162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239728 (or 239722 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 438044166162 in words is "four hundred thirty-eight billion, forty-four million, one hundred sixty-six thousand, one hundred sixty-two".