2066351218228 has 48 divisors (see below), whose sum is σ = 3974717597760. Its totient is φ = 932162918400.

The previous prime is 2066351218201. The next prime is 2066351218249. The reversal of 2066351218228 is 8228121536602.

It is a congruent number.

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, 3286143 + ... + 3864121.

It is an arithmetic number, because the mean of its divisors is an integer number (82806616620).

Almost surely, 2^{2066351218228} is an apocalyptic number.

It is an amenable number.

2066351218228 is a deficient number, since it is larger than the sum of its proper divisors (1908366379532).

2066351218228 is a wasteful number, since it uses less digits than its factorization.

2066351218228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578608 (or 578606 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 2066351218228 in words is "two trillion, sixty-six billion, three hundred fifty-one million, two hundred eighteen thousand, two hundred twenty-eight".