2066039157673 has 2 divisors, whose sum is σ = 2066039157674. Its totient is φ = 2066039157672.

The previous prime is 2066039157643. The next prime is 2066039157709. The reversal of 2066039157673 is 3767519306602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1453596745104 + 612442412569 = 1205652^2 + 782587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066039157673 - 2²⁹ = 2065502286761 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066039157643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033019578836 + 1033019578837.

It is an arithmetic number, because the mean of its divisors is an integer number (1033019578837).

Almost surely, 2^{2066039157673} is an apocalyptic number.

It is an amenable number.

2066039157673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066039157673 is an equidigital number, since it uses as much as digits as its factorization.

2066039157673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 2066039157673 in words is "two trillion, sixty-six billion, thirty-nine million, one hundred fifty-seven thousand, six hundred seventy-three".