2111660462592 has 90 divisors (see below), whose sum is σ = 6094679777043. Its totient is φ = 703853939712.

The previous prime is 2111660462581. The next prime is 2111660462617. The reversal of 2111660462592 is 2952640661112.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2111660462592 is a `hidden beast` number, since 2 + 1 + 1 + 16 + 6 + 0 + 4 + 625 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1055830231296 + 1055830231296 = 1027536^2 + 1027536^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1027536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 98632753 + ... + 98654159.

Almost surely, 2^{2111660462592} is an apocalyptic number.

It is an amenable number.

2111660462592 is an abundant number, since it is smaller than the sum of its proper divisors (3983019314451).

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

2111660462592 is an frugal number, since it uses more digits than its factorization.

2111660462592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42838 (or 21412 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 2111660462592 in words is "two trillion, one hundred eleven billion, six hundred sixty million, four hundred sixty-two thousand, five hundred ninety-two".