2066558064492 has 48 divisors (see below), whose sum is σ = 4828167835904. Its totient is φ = 687967560000.

The previous prime is 2066558064469. The next prime is 2066558064509. The reversal of 2066558064492 is 2944608556602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40093017 + ... + 40144527.

Almost surely, 2^{2066558064492} is an apocalyptic number.

It is an amenable number.

2066558064492 is an abundant number, since it is smaller than the sum of its proper divisors (2761609771412).

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

2066558064492 is a wasteful number, since it uses less digits than its factorization.

2066558064492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55750 (or 55748 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 57.

The spelling of 2066558064492 in words is "two trillion, sixty-six billion, five hundred fifty-eight million, sixty-four thousand, four hundred ninety-two".