2191136676 has 48 divisors (see below), whose sum is σ = 5340991488. Its totient is φ = 697831200.

The previous prime is 2191136611. The next prime is 2191136687. The reversal of 2191136676 is 6766311912.

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 15 ways as a sum of consecutive naturals, for example, 269511 + ... + 277521.

It is an arithmetic number, because the mean of its divisors is an integer number (111270656).

Almost surely, 2^2191136676 is an apocalyptic number.

It is an amenable number.

2191136676 is an abundant number, since it is smaller than the sum of its proper divisors (3149854812).

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

2191136676 is a wasteful number, since it uses less digits than its factorization.

2191136676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032 (or 9030 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 2191136676 is about 46809.5788915047. The cubic root of 2191136676 is about 1298.8424955160.

The spelling of 2191136676 in words is "two billion, one hundred ninety-one million, one hundred thirty-six thousand, six hundred seventy-six".