2066522256163 has 4 divisors (see below), whose sum is σ = 2080391533200. Its totient is φ = 2052652979128.

The previous prime is 2066522256143. The next prime is 2066522256173. The reversal of 2066522256163 is 3616522256602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2066522256163 - 2⁵ = 2066522256131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066522256103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6934638295 + ... + 6934638592.

It is an arithmetic number, because the mean of its divisors is an integer number (520097883300).

Almost surely, 2^{2066522256163} is an apocalyptic number.

2066522256163 is a deficient number, since it is larger than the sum of its proper divisors (13869277037).

2066522256163 is a wasteful number, since it uses less digits than its factorization.

2066522256163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13869277036.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 2066522256163 in words is "two trillion, sixty-six billion, five hundred twenty-two million, two hundred fifty-six thousand, one hundred sixty-three".