1066766470731 has 48 divisors (see below), whose sum is σ = 1671637519552. Its totient is φ = 651653683200.

The previous prime is 1066766470703. The next prime is 1066766470733. The reversal of 1066766470731 is 1370746676601.

1066766470731 is a `hidden beast` number, since 10 + 66 + 76 + 6 + 470 + 7 + 31 = 666.

It is not a de Polignac number, because 1066766470731 - 2¹⁰ = 1066766469707 is a prime.

It is a super-2 number, since 2×1066766470731² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066766470733) 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 47 ways as a sum of consecutive naturals, for example, 8765226 + ... + 8886096.

Almost surely, 2^{1066766470731} is an apocalyptic number.

1066766470731 is a deficient number, since it is larger than the sum of its proper divisors (604871048821).

1066766470731 is a wasteful number, since it uses less digits than its factorization.

1066766470731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121444 (or 121441 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 1066766470731 in words is "one trillion, sixty-six billion, seven hundred sixty-six million, four hundred seventy thousand, seven hundred thirty-one".