2066218171157 has 32 divisors (see below), whose sum is σ = 2516049879552. Its totient is φ = 1658638992384.

The previous prime is 2066218171153. The next prime is 2066218171159. The reversal of 2066218171157 is 7511718126602.

It is a cyclic number.

It is not a de Polignac number, because 2066218171157 - 2² = 2066218171153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066218171153) 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 31 ways as a sum of consecutive naturals, for example, 968543 + ... + 2251779.

It is an arithmetic number, because the mean of its divisors is an integer number (78626558736).

Almost surely, 2^{2066218171157} is an apocalyptic number.

It is an amenable number.

2066218171157 is a deficient number, since it is larger than the sum of its proper divisors (449831708395).

2066218171157 is a wasteful number, since it uses less digits than its factorization.

2066218171157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283477.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 2066218171157 in words is "two trillion, sixty-six billion, two hundred eighteen million, one hundred seventy-one thousand, one hundred fifty-seven".