2112091639766 has 4 divisors (see below), whose sum is σ = 3168137459652. Its totient is φ = 1056045819882.

The previous prime is 2112091639741. The next prime is 2112091639909. The reversal of 2112091639766 is 6679361902112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528022909940 + ... + 528022909943.

It is an arithmetic number, because the mean of its divisors is an integer number (792034364913).

Almost surely, 2^{2112091639766} is an apocalyptic number.

2112091639766 is a deficient number, since it is larger than the sum of its proper divisors (1056045819886).

2112091639766 is a wasteful number, since it uses less digits than its factorization.

2112091639766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056045819885.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 2112091639766 in words is "two trillion, one hundred twelve billion, ninety-one million, six hundred thirty-nine thousand, seven hundred sixty-six".