2143174451066 has 16 divisors (see below), whose sum is σ = 3535996318848. Its totient is φ = 974170203820.

The previous prime is 2143174451063. The next prime is 2143174451071. The reversal of 2143174451066 is 6601544713412.

It is not an unprimeable number, because it can be changed into a prime (2143174451063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402547010 + ... + 402552333.

It is an arithmetic number, because the mean of its divisors is an integer number (220999769928).

Almost surely, 2^{2143174451066} is an apocalyptic number.

2143174451066 is a deficient number, since it is larger than the sum of its proper divisors (1392821867782).

2143174451066 is an equidigital number, since it uses as much as digits as its factorization.

2143174451066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805099378 (or 805099356 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 2143174451066 in words is "two trillion, one hundred forty-three billion, one hundred seventy-four million, four hundred fifty-one thousand, sixty-six".