1064666143 has 2 divisors, whose sum is σ = 1064666144. Its totient is φ = 1064666142.

The previous prime is 1064666129. The next prime is 1064666167. The reversal of 1064666143 is 3416664601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064666143 is a prime.

It is a super-2 number, since 2×1064666143² = 2267027992100992898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064666443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532333071 + 532333072.

It is an arithmetic number, because the mean of its divisors is an integer number (532333072).

Almost surely, 2^1064666143 is an apocalyptic number.

1064666143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064666143 is an equidigital number, since it uses as much as digits as its factorization.

1064666143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1064666143 is about 32629.2222248708. Note that the first 5 decimals coincide. The cubic root of 1064666143 is about 1021.1067517148.

The spelling of 1064666143 in words is "one billion, sixty-four million, six hundred sixty-six thousand, one hundred forty-three".