1098413568 has 160 divisors (see below), whose sum is σ = 3716190720. Its totient is φ = 313804800.

The previous prime is 1098413531. The next prime is 1098413573. The reversal of 1098413568 is 8653148901.

1098413568 is a `hidden beast` number, since 1 + 0 + 9 + 84 + 1 + 3 + 568 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91093 + ... + 102443.

It is an arithmetic number, because the mean of its divisors is an integer number (23226192).

Almost surely, 2^1098413568 is an apocalyptic number.

1098413568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098413568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858095360).

1098413568 is an abundant number, since it is smaller than the sum of its proper divisors (2617777152).

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

1098413568 is an equidigital number, since it uses as much as digits as its factorization.

1098413568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385 (or 11363 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1098413568 is about 33142.3229119505. The cubic root of 1098413568 is about 1031.7836214822.

The spelling of 1098413568 in words is "one billion, ninety-eight million, four hundred thirteen thousand, five hundred sixty-eight".