1098281568 has 48 divisors (see below), whose sum is σ = 2901391920. Its totient is φ = 363757056.

The previous prime is 1098281537. The next prime is 1098281629. The reversal of 1098281568 is 8651828901.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21363 + ... + 51506.

It is an arithmetic number, because the mean of its divisors is an integer number (60445665).

Almost surely, 2^1098281568 is an apocalyptic number.

It is an amenable number.

1098281568 is an abundant number, since it is smaller than the sum of its proper divisors (1803110352).

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

1098281568 is a wasteful number, since it uses less digits than its factorization.

1098281568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73039 (or 73031 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 48.

The square root of 1098281568 is about 33140.3314407083. The cubic root of 1098281568 is about 1031.7422888737.

The spelling of 1098281568 in words is "one billion, ninety-eight million, two hundred eighty-one thousand, five hundred sixty-eight".