2066866463357 has 2 divisors, whose sum is σ = 2066866463358. Its totient is φ = 2066866463356.

The previous prime is 2066866463339. The next prime is 2066866463369. The reversal of 2066866463357 is 7533646686602.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2032594827481 + 34271635876 = 1425691^2 + 185126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066866463357 - 2²⁰ = 2066865414781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2066866463357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066866463317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033433231678 + 1033433231679.

It is an arithmetic number, because the mean of its divisors is an integer number (1033433231679).

Almost surely, 2^{2066866463357} is an apocalyptic number.

It is an amenable number.

2066866463357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066866463357 is an equidigital number, since it uses as much as digits as its factorization.

2066866463357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 62.

The spelling of 2066866463357 in words is "two trillion, sixty-six billion, eight hundred sixty-six million, four hundred sixty-three thousand, three hundred fifty-seven".