1166608741 has 4 divisors (see below), whose sum is σ = 1180664352. Its totient is φ = 1152553132.

The previous prime is 1166608733. The next prime is 1166608763. The reversal of 1166608741 is 1478066611.

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: 1478066611 = 7 ⋅211152373.

It is a cyclic number.

It is not a de Polignac number, because 1166608741 - 2³ = 1166608733 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166608694 and 1166608703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166608141) 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, 7027681 + ... + 7027846.

It is an arithmetic number, because the mean of its divisors is an integer number (295166088).

Almost surely, 2^1166608741 is an apocalyptic number.

It is an amenable number.

1166608741 is a deficient number, since it is larger than the sum of its proper divisors (14055611).

1166608741 is an equidigital number, since it uses as much as digits as its factorization.

1166608741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14055610.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1166608741 is about 34155.6545977383. The cubic root of 1166608741 is about 1052.7091764953.

The spelling of 1166608741 in words is "one billion, one hundred sixty-six million, six hundred eight thousand, seven hundred forty-one".