1066671081137 has 4 divisors (see below), whose sum is σ = 1066775431680. Its totient is φ = 1066566730596.

The previous prime is 1066671081131. The next prime is 1066671081173. The reversal of 1066671081137 is 7311801766601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1066671081137 - 2¹⁰ = 1066671080113 is a prime.

It is a super-2 number, since 2×1066671081137² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066671081091 and 1066671081100.

It is not an unprimeable number, because it can be changed into a prime (1066671081131) 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 3 ways as a sum of consecutive naturals, for example, 52159937 + ... + 52180382.

It is an arithmetic number, because the mean of its divisors is an integer number (266693857920).

Almost surely, 2^{1066671081137} is an apocalyptic number.

It is an amenable number.

1066671081137 is a deficient number, since it is larger than the sum of its proper divisors (104350543).

1066671081137 is a wasteful number, since it uses less digits than its factorization.

1066671081137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104350542.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 1066671081137 in words is "one trillion, sixty-six billion, six hundred seventy-one million, eighty-one thousand, one hundred thirty-seven".