41721044166 has 64 divisors (see below), whose sum is σ = 97032499200. Its totient is φ = 13262755968.

The previous prime is 41721044159. The next prime is 41721044191. The reversal of 41721044166 is 66144012714.

It is a happy number.

41721044166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 41721044166.

It is a congruent number.

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, 368715 + ... + 468393.

It is an arithmetic number, because the mean of its divisors is an integer number (1516132800).

Almost surely, 2^41721044166 is an apocalyptic number.

41721044166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 41721044166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48516249600).

41721044166 is an abundant number, since it is smaller than the sum of its proper divisors (55311455034).

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

41721044166 is a wasteful number, since it uses less digits than its factorization.

41721044166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100050 (or 100044 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 41721044166 in words is "forty-one billion, seven hundred twenty-one million, forty-four thousand, one hundred sixty-six".