1166601341 has 4 divisors (see below), whose sum is σ = 1171695900. Its totient is φ = 1161506784.

The previous prime is 1166601329. The next prime is 1166601343. The reversal of 1166601341 is 1431066611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1431066611 = 13 ⋅110082047.

It can be written as a sum of positive squares in 2 ways, for example, as 1092038116 + 74563225 = 33046^2 + 8635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166601341 - 2¹⁰ = 1166600317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166601343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546936 + ... + 2547393.

It is an arithmetic number, because the mean of its divisors is an integer number (292923975).

Almost surely, 2^1166601341 is an apocalyptic number.

It is an amenable number.

1166601341 is a deficient number, since it is larger than the sum of its proper divisors (5094559).

1166601341 is an equidigital number, since it uses as much as digits as its factorization.

1166601341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094558.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1166601341 is about 34155.5462699691. The cubic root of 1166601341 is about 1052.7069506521.

Adding to 1166601341 its reverse (1431066611), we get a palindrome (2597667952).

The spelling of 1166601341 in words is "one billion, one hundred sixty-six million, six hundred one thousand, three hundred forty-one".