1163488866 has 8 divisors (see below), whose sum is σ = 2326977744. Its totient is φ = 387829620.

The previous prime is 1163488847. The next prime is 1163488867. The reversal of 1163488866 is 6688843611.

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

1163488866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1163488867) 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, 96957400 + ... + 96957411.

It is an arithmetic number, because the mean of its divisors is an integer number (290872218).

Almost surely, 2^1163488866 is an apocalyptic number.

1163488866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1163488866 is a wasteful number, since it uses less digits than its factorization.

1163488866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193914816.

The product of its digits is 1327104, while the sum is 51.

The square root of 1163488866 is about 34109.9525945141. The cubic root of 1163488866 is about 1051.7699146703.

The spelling of 1163488866 in words is "one billion, one hundred sixty-three million, four hundred eighty-eight thousand, eight hundred sixty-six".