1166484587 has 4 divisors (see below), whose sum is σ = 1191303456. Its totient is φ = 1141665720.

The previous prime is 1166484581. The next prime is 1166484619. The reversal of 1166484587 is 7854846611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1166484587 - 2³⁰ = 92742763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166484581) 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, 12409364 + ... + 12409457.

It is an arithmetic number, because the mean of its divisors is an integer number (297825864).

Almost surely, 2^1166484587 is an apocalyptic number.

1166484587 is a deficient number, since it is larger than the sum of its proper divisors (24818869).

1166484587 is an equidigital number, since it uses as much as digits as its factorization.

1166484587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24818868.

The product of its digits is 1290240, while the sum is 50.

The square root of 1166484587 is about 34153.8370757957. The cubic root of 1166484587 is about 1052.6718310148.

The spelling of 1166484587 in words is "one billion, one hundred sixty-six million, four hundred eighty-four thousand, five hundred eighty-seven".