1966146466147 has 2 divisors, whose sum is σ = 1966146466148. Its totient is φ = 1966146466146.

The previous prime is 1966146466139. The next prime is 1966146466157. The reversal of 1966146466147 is 7416646416691.

It is a weak prime.

It is an emirp because it is prime and its reverse (7416646416691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1966146466147 - 2³ = 1966146466139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1966146466117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983073233073 + 983073233074.

It is an arithmetic number, because the mean of its divisors is an integer number (983073233074).

Almost surely, 2^{1966146466147} is an apocalyptic number.

1966146466147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966146466147 is an equidigital number, since it uses as much as digits as its factorization.

1966146466147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 1966146466147 in words is "one trillion, nine hundred sixty-six billion, one hundred forty-six million, four hundred sixty-six thousand, one hundred forty-seven".