1166727437713 has 2 divisors, whose sum is σ = 1166727437714. Its totient is φ = 1166727437712.

The previous prime is 1166727437663. The next prime is 1166727437779. The reversal of 1166727437713 is 3177347276611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830735633809 + 335991803904 = 911447^2 + 579648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166727437713 - 2³⁷ = 1029288484241 is a prime.

It is a super-3 number, since 3×1166727437713³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1166727437783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583363718856 + 583363718857.

It is an arithmetic number, because the mean of its divisors is an integer number (583363718857).

Almost surely, 2^{1166727437713} is an apocalyptic number.

It is an amenable number.

1166727437713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166727437713 is an equidigital number, since it uses as much as digits as its factorization.

1166727437713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6223392, while the sum is 55.

The spelling of 1166727437713 in words is "one trillion, one hundred sixty-six billion, seven hundred twenty-seven million, four hundred thirty-seven thousand, seven hundred thirteen".