2066514569443 has 8 divisors (see below), whose sum is σ = 2156889968928. Its totient is φ = 1976183081664.

The previous prime is 2066514569429. The next prime is 2066514569513. The reversal of 2066514569443 is 3449654156602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2066514569443 - 2⁹ = 2066514568931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066514569543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10881730 + ... + 11070007.

It is an arithmetic number, because the mean of its divisors is an integer number (269611246116).

Almost surely, 2^{2066514569443} is an apocalyptic number.

2066514569443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2066514569443 is a deficient number, since it is larger than the sum of its proper divisors (90375399485).

2066514569443 is a wasteful number, since it uses less digits than its factorization.

2066514569443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21955853.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 2066514569443 in words is "two trillion, sixty-six billion, five hundred fourteen million, five hundred sixty-nine thousand, four hundred forty-three".