2191069107632 has 20 divisors (see below), whose sum is σ = 4494913831656. Its totient is φ = 1031091344640.

The previous prime is 2191069107613. The next prime is 2191069107697. The reversal of 2191069107632 is 2367019601912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027700294 + ... + 4027700837.

Almost surely, 2^{2191069107632} is an apocalyptic number.

It is an amenable number.

2191069107632 is an abundant number, since it is smaller than the sum of its proper divisors (2303844724024).

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

2191069107632 is a wasteful number, since it uses less digits than its factorization.

2191069107632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055401156 (or 8055401150 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 2191069107632 in words is "two trillion, one hundred ninety-one billion, sixty-nine million, one hundred seven thousand, six hundred thirty-two".