1166432617 has 8 divisors (see below), whose sum is σ = 1351327616. Its totient is φ = 986103072.

The previous prime is 1166432609. The next prime is 1166432621. The reversal of 1166432617 is 7162346611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166432617 - 2³ = 1166432609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166432677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140813 + ... + 1141834.

It is an arithmetic number, because the mean of its divisors is an integer number (168915952).

Almost surely, 2^1166432617 is an apocalyptic number.

It is an amenable number.

1166432617 is a deficient number, since it is larger than the sum of its proper divisors (184894999).

1166432617 is an equidigital number, since it uses as much as digits as its factorization.

1166432617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282727.

The product of its digits is 36288, while the sum is 37.

The square root of 1166432617 is about 34153.0762450471. The cubic root of 1166432617 is about 1052.6561976700.

The spelling of 1166432617 in words is "one billion, one hundred sixty-six million, four hundred thirty-two thousand, six hundred seventeen".