2271786583660 has 96 divisors (see below), whose sum is σ = 5237663316480. Its totient is φ = 820846118400.

The previous prime is 2271786583637. The next prime is 2271786583733. The reversal of 2271786583660 is 663856871722.

It is a super-2 number, since 2×2271786583660² (a number of 26 digits) contains 22 as substring.

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, 28601481 + ... + 28680799.

It is an arithmetic number, because the mean of its divisors is an integer number (54558992880).

Almost surely, 2^{2271786583660} is an apocalyptic number.

2271786583660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271786583660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2618831658240).

2271786583660 is an abundant number, since it is smaller than the sum of its proper divisors (2965876732820).

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

2271786583660 is a wasteful number, since it uses less digits than its factorization.

2271786583660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80167 (or 80165 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 2271786583660 in words is "two trillion, two hundred seventy-one billion, seven hundred eighty-six million, five hundred eighty-three thousand, six hundred sixty".