9143161664 has 280 divisors, whose sum is σ = 23904854400. Its totient is φ = 3442424832.

The previous prime is 9143161583. The next prime is 9143161691. The reversal of 9143161664 is 4661613419.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45945437 + ... + 45945635.

It is an arithmetic number, because the mean of its divisors is an integer number (85374480).

Almost surely, 2^9143161664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9143161664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11952427200).

9143161664 is an abundant number, since it is smaller than the sum of its proper divisors (14761692736).

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

9143161664 is a wasteful number, since it uses less digits than its factorization.

9143161664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 244 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 9143161664 is about 95619.8811126640. The cubic root of 9143161664 is about 2091.0550493735.

The spelling of 9143161664 in words is "nine billion, one hundred forty-three million, one hundred sixty-one thousand, six hundred sixty-four".