9956092566 has 64 divisors (see below), whose sum is σ = 23334345216. Its totient is φ = 2772537600.

The previous prime is 9956092541. The next prime is 9956092567. The reversal of 9956092566 is 6652906599.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9956092567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2362201 + ... + 2366411.

It is an arithmetic number, because the mean of its divisors is an integer number (364599144).

Almost surely, 2^9956092566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9956092566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11667172608).

9956092566 is an abundant number, since it is smaller than the sum of its proper divisors (13378252650).

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

9956092566 is a wasteful number, since it uses less digits than its factorization.

9956092566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637.

The product of its (nonzero) digits is 7873200, while the sum is 57.

The square root of 9956092566 is about 99780.2213166517. The cubic root of 9956092566 is about 2151.2768738269.

The spelling of 9956092566 in words is "nine billion, nine hundred fifty-six million, ninety-two thousand, five hundred sixty-six".