66570455143 has 2 divisors, whose sum is σ = 66570455144. Its totient is φ = 66570455142.

The previous prime is 66570455137. The next prime is 66570455153. The reversal of 66570455143 is 34155407566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66570455143 - 2¹³ = 66570446951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66570455093 and 66570455102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66570455113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33285227571 + 33285227572.

It is an arithmetic number, because the mean of its divisors is an integer number (33285227572).

Almost surely, 2^66570455143 is an apocalyptic number.

66570455143 is a deficient number, since it is larger than the sum of its proper divisors (1).

66570455143 is an equidigital number, since it uses as much as digits as its factorization.

66570455143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 66570455143 in words is "sixty-six billion, five hundred seventy million, four hundred fifty-five thousand, one hundred forty-three".