1066677743737 has 2 divisors, whose sum is σ = 1066677743738. Its totient is φ = 1066677743736.

The previous prime is 1066677743731. The next prime is 1066677743749. The reversal of 1066677743737 is 7373477766601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1066570497001 + 107246736 = 1032749^2 + 10356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066677743737 is a prime.

It is a super-2 number, since 2×1066677743737² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066677743731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533338871868 + 533338871869.

It is an arithmetic number, because the mean of its divisors is an integer number (533338871869).

Almost surely, 2^{1066677743737} is an apocalyptic number.

It is an amenable number.

1066677743737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066677743737 is an equidigital number, since it uses as much as digits as its factorization.

1066677743737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130691232, while the sum is 64.

The spelling of 1066677743737 in words is "one trillion, sixty-six billion, six hundred seventy-seven million, seven hundred forty-three thousand, seven hundred thirty-seven".