1165662041 has 4 divisors (see below), whose sum is σ = 1165885392. Its totient is φ = 1165438692.

The previous prime is 1165661977. The next prime is 1165662067. The reversal of 1165662041 is 1402665611.

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.

It is a cyclic number.

It is not a de Polignac number, because 1165662041 - 2⁶ = 1165661977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1165661989 and 1165662007.

It is not an unprimeable number, because it can be changed into a prime (1165661041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103655 + ... + 114348.

It is an arithmetic number, because the mean of its divisors is an integer number (291471348).

Almost surely, 2^1165662041 is an apocalyptic number.

It is an amenable number.

1165662041 is a deficient number, since it is larger than the sum of its proper divisors (223351).

1165662041 is an equidigital number, since it uses as much as digits as its factorization.

1165662041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223350.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1165662041 is about 34141.7931720055. The cubic root of 1165662041 is about 1052.4243425022.

The spelling of 1165662041 in words is "one billion, one hundred sixty-five million, six hundred sixty-two thousand, forty-one".