1166771041677 has 12 divisors (see below), whose sum is σ = 1686423984700. Its totient is φ = 777345190848.

The previous prime is 1166771041643. The next prime is 1166771041687. The reversal of 1166771041677 is 7761401776611.

It can be written as a sum of positive squares in 2 ways, for example, as 116568299241 + 1050202742436 = 341421^2 + 1024794^2 .

It is not a de Polignac number, because 1166771041677 - 2⁷ = 1166771041549 is a prime.

It is a super-2 number, since 2×1166771041677² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166771041687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41832808 + ... + 41860689.

Almost surely, 2^{1166771041677} is an apocalyptic number.

It is an amenable number.

1166771041677 is a deficient number, since it is larger than the sum of its proper divisors (519652943023).

1166771041677 is a wasteful number, since it uses less digits than its factorization.

1166771041677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83695052 (or 83695049 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The spelling of 1166771041677 in words is "one trillion, one hundred sixty-six billion, seven hundred seventy-one million, forty-one thousand, six hundred seventy-seven".