1166727116755 has 8 divisors (see below), whose sum is σ = 1445236170624. Its totient is φ = 903272606400.

The previous prime is 1166727116741. The next prime is 1166727116759. The reversal of 1166727116755 is 5576117276611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166727116755 - 2¹⁵ = 1166727083987 is a prime.

It is a super-2 number, since 2×1166727116755² (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 = 1166727116696 and 1166727116705.

It is not an unprimeable number, because it can be changed into a prime (1166727116759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763635706 + ... + 3763636015.

It is an arithmetic number, because the mean of its divisors is an integer number (180654521328).

Almost surely, 2^{1166727116755} is an apocalyptic number.

1166727116755 is a deficient number, since it is larger than the sum of its proper divisors (278509053869).

1166727116755 is an equidigital number, since it uses as much as digits as its factorization.

1166727116755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527271757.

The product of its digits is 3704400, while the sum is 55.

The spelling of 1166727116755 in words is "one trillion, one hundred sixty-six billion, seven hundred twenty-seven million, one hundred sixteen thousand, seven hundred fifty-five".