1148044866 has 128 divisors (see below), whose sum is σ = 2608588800. Its totient is φ = 335301120.

The previous prime is 1148044853. The next prime is 1148044871. The reversal of 1148044866 is 6684408411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15726606 + ... + 15726678.

It is an arithmetic number, because the mean of its divisors is an integer number (20379600).

Almost surely, 2^1148044866 is an apocalyptic number.

1148044866 is an abundant number, since it is smaller than the sum of its proper divisors (1460543934).

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

1148044866 is a wasteful number, since it uses less digits than its factorization.

1148044866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1148044866 is about 33882.8107747867. The cubic root of 1148044866 is about 1047.0954849429.

The spelling of 1148044866 in words is "one billion, one hundred forty-eight million, forty-four thousand, eight hundred sixty-six".