9229891566 has 96 divisors (see below), whose sum is σ = 22782124800. Its totient is φ = 2477040384.

The previous prime is 9229891543. The next prime is 9229891591. The reversal of 9229891566 is 6651989229.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 2992261 + ... + 2995343.

It is an arithmetic number, because the mean of its divisors is an integer number (237313800).

Almost surely, 2^9229891566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9229891566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11391062400).

9229891566 is an abundant number, since it is smaller than the sum of its proper divisors (13552233234).

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

9229891566 is a wasteful number, since it uses less digits than its factorization.

9229891566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718 (or 3711 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 57.

The square root of 9229891566 is about 96072.3246622044. The cubic root of 9229891566 is about 2097.6460067236.

The spelling of 9229891566 in words is "nine billion, two hundred twenty-nine million, eight hundred ninety-one thousand, five hundred sixty-six".