2066591724 has 12 divisors (see below), whose sum is σ = 4822047384. Its totient is φ = 688863904.

The previous prime is 2066591711. The next prime is 2066591771. The reversal of 2066591724 is 4271956602.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86107977 + ... + 86108000.

It is an arithmetic number, because the mean of its divisors is an integer number (401837282).

Almost surely, 2^2066591724 is an apocalyptic number.

It is an amenable number.

2066591724 is an abundant number, since it is smaller than the sum of its proper divisors (2755455660).

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

2066591724 is a wasteful number, since it uses less digits than its factorization.

2066591724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172215984 (or 172215982 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2066591724 is about 45459.7813897075. The cubic root of 2066591724 is about 1273.7520479710.

The spelling of 2066591724 in words is "two billion, sixty-six million, five hundred ninety-one thousand, seven hundred twenty-four".