2091584220912 has 160 divisors (see below), whose sum is σ = 6691343155200. Its totient is φ = 621647281152.

The previous prime is 2091584220911. The next prime is 2091584220949. The reversal of 2091584220912 is 2190224851902.

2091584220912 is a `hidden beast` number, since 2 + 0 + 91 + 58 + 422 + 0 + 91 + 2 = 666.

It is a super-2 number, since 2×2091584220912² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091584220911) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7355248 + ... + 7634319.

It is an arithmetic number, because the mean of its divisors is an integer number (41820894720).

Almost surely, 2^{2091584220912} is an apocalyptic number.

It is an amenable number.

2091584220912 is an abundant number, since it is smaller than the sum of its proper divisors (4599758934288).

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

2091584220912 is a wasteful number, since it uses less digits than its factorization.

2091584220912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989620 (or 14989608 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 2091584220912 in words is "two trillion, ninety-one billion, five hundred eighty-four million, two hundred twenty thousand, nine hundred twelve".