1166180004 has 60 divisors (see below), whose sum is σ = 3325782768. Its totient is φ = 353386800.

The previous prime is 1166180003. The next prime is 1166180011. The reversal of 1166180004 is 4000816611.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1166180004.

It is not an unprimeable number, because it can be changed into a prime (1166180003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 160042 + ... + 167169.

Almost surely, 2^1166180004 is an apocalyptic number.

It is an amenable number.

1166180004 is an abundant number, since it is smaller than the sum of its proper divisors (2159602764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1166180004 is a wasteful number, since it uses less digits than its factorization.

1166180004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327238 (or 327227 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1166180004 is about 34149.3777981386. The cubic root of 1166180004 is about 1052.5802013273.

Adding to 1166180004 its reverse (4000816611), we get a palindrome (5166996615).

The spelling of 1166180004 in words is "one billion, one hundred sixty-six million, one hundred eighty thousand, four".