2066104355652 has 72 divisors (see below), whose sum is σ = 5525155272000. Its totient is φ = 649175300928.

The previous prime is 2066104355573. The next prime is 2066104355659. The reversal of 2066104355652 is 2565534016602.

2066104355652 is a `hidden beast` number, since 2 + 0 + 6 + 6 + 1 + 0 + 43 + 556 + 52 = 666.

It is a super-2 number, since 2×2066104355652² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2066104355598 and 2066104355607.

It is not an unprimeable number, because it can be changed into a prime (2066104355659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7453383 + ... + 7725614.

Almost surely, 2^{2066104355652} is an apocalyptic number.

It is an amenable number.

2066104355652 is an abundant number, since it is smaller than the sum of its proper divisors (3459050916348).

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

2066104355652 is a wasteful number, since it uses less digits than its factorization.

2066104355652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15179225 (or 15179220 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 2066104355652 in words is "two trillion, sixty-six billion, one hundred four million, three hundred fifty-five thousand, six hundred fifty-two".