1043343712666 has 32 divisors (see below), whose sum is σ = 1612206520848. Its totient is φ = 506087554560.

The previous prime is 1043343712613. The next prime is 1043343712667. The reversal of 1043343712666 is 6662173433401.

It can be written as a sum of positive squares in 8 ways, for example, as 917995850641 + 125347862025 = 958121^2 + 354045^2 .

It is a super-2 number, since 2×1043343712666² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1043343712667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31208976 + ... + 31242388.

Almost surely, 2^{1043343712666} is an apocalyptic number.

1043343712666 is a deficient number, since it is larger than the sum of its proper divisors (568862808182).

1043343712666 is a wasteful number, since it uses less digits than its factorization.

1043343712666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35586.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 1043343712666 in words is "one trillion, forty-three billion, three hundred forty-three million, seven hundred twelve thousand, six hundred sixty-six".