1066164143 has 4 divisors (see below), whose sum is σ = 1163088168. Its totient is φ = 969240120.

The previous prime is 1066164137. The next prime is 1066164167. The reversal of 1066164143 is 3414616601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066164143 - 2⁶ = 1066164079 is a prime.

It is a super-2 number, since 2×1066164143² = 2273411959637848898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066164173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48461996 + ... + 48462017.

It is an arithmetic number, because the mean of its divisors is an integer number (290772042).

Almost surely, 2^1066164143 is an apocalyptic number.

1066164143 is a deficient number, since it is larger than the sum of its proper divisors (96924025).

1066164143 is an equidigital number, since it uses as much as digits as its factorization.

1066164143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96924024.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1066164143 is about 32652.1690397437. The cubic root of 1066164143 is about 1021.5854310600.

The spelling of 1066164143 in words is "one billion, sixty-six million, one hundred sixty-four thousand, one hundred forty-three".