9170844056 has 64 divisors (see below), whose sum is σ = 19100426400. Its totient is φ = 4093286400.

The previous prime is 9170844041. The next prime is 9170844071. The reversal of 9170844056 is 6504480719.

It is an interprime number because it is at equal distance from previous prime (9170844041) and next prime (9170844071).

It is a super-2 number, since 2×9170844056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 9170843998 and 9170844016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079666 + ... + 1088126.

Almost surely, 2^9170844056 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 9170844056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9550213200).

9170844056 is an abundant number, since it is smaller than the sum of its proper divisors (9929582344).

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

9170844056 is a wasteful number, since it uses less digits than its factorization.

9170844056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700 (or 8696 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 9170844056 is about 95764.5239950578. The cubic root of 9170844056 is about 2093.1632582782.

The spelling of 9170844056 in words is "nine billion, one hundred seventy million, eight hundred forty-four thousand, fifty-six".