2066312805338 has 8 divisors (see below), whose sum is σ = 3099476156832. Its totient is φ = 1033154086396.

The previous prime is 2066312805311. The next prime is 2066312805371. The reversal of 2066312805338 is 8335082136602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2066312805338³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2066312805292 and 2066312805301.

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, 349481 + ... + 2062707.

It is an arithmetic number, because the mean of its divisors is an integer number (387434519604).

Almost surely, 2^{2066312805338} is an apocalyptic number.

2066312805338 is a deficient number, since it is larger than the sum of its proper divisors (1033163351494).

2066312805338 is a wasteful number, since it uses less digits than its factorization.

2066312805338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316276.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 2066312805338 in words is "two trillion, sixty-six billion, three hundred twelve million, eight hundred five thousand, three hundred thirty-eight".