1166329141 has 4 divisors (see below), whose sum is σ = 1182756384. Its totient is φ = 1149901900.

The previous prime is 1166329127. The next prime is 1166329181. The reversal of 1166329141 is 1419236611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1419236611 = 13 ⋅109172047.

It is a cyclic number.

It is not a de Polignac number, because 1166329141 - 2⁹ = 1166328629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166329097 and 1166329106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166329181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8213515 + ... + 8213656.

It is an arithmetic number, because the mean of its divisors is an integer number (295689096).

Almost surely, 2^1166329141 is an apocalyptic number.

It is an amenable number.

1166329141 is a deficient number, since it is larger than the sum of its proper divisors (16427243).

1166329141 is an equidigital number, since it uses as much as digits as its factorization.

1166329141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427242.

The product of its digits is 7776, while the sum is 34.

The square root of 1166329141 is about 34151.5613259482. The cubic root of 1166329141 is about 1052.6250691755.

It can be divided in two parts, 11663 and 29141, that added together give a palindrome (40804).

The spelling of 1166329141 in words is "one billion, one hundred sixty-six million, three hundred twenty-nine thousand, one hundred forty-one".