166200552143 has 2 divisors, whose sum is σ = 166200552144. Its totient is φ = 166200552142.

The previous prime is 166200552097. The next prime is 166200552157. The reversal of 166200552143 is 341255002661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166200552143 - 2²⁴ = 166183774927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166200552163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83100276071 + 83100276072.

It is an arithmetic number, because the mean of its divisors is an integer number (83100276072).

Almost surely, 2^166200552143 is an apocalyptic number.

166200552143 is a deficient number, since it is larger than the sum of its proper divisors (1).

166200552143 is an equidigital number, since it uses as much as digits as its factorization.

166200552143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 166200552143 in words is "one hundred sixty-six billion, two hundred million, five hundred fifty-two thousand, one hundred forty-three".