1098160305 has 48 divisors (see below), whose sum is σ = 2044973952. Its totient is φ = 501107200.

The previous prime is 1098160303. The next prime is 1098160321. The reversal of 1098160305 is 5030618901.

It is not a de Polignac number, because 1098160305 - 2¹ = 1098160303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1098160303) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 13060 + ... + 48650.

It is an arithmetic number, because the mean of its divisors is an integer number (42603624).

Almost surely, 2^1098160305 is an apocalyptic number.

1098160305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1098160305 is a deficient number, since it is larger than the sum of its proper divisors (946813647).

1098160305 is a wasteful number, since it uses less digits than its factorization.

1098160305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638 (or 35627 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1098160305 is about 33138.5018520753. The cubic root of 1098160305 is about 1031.7043153783.

The spelling of 1098160305 in words is "one billion, ninety-eight million, one hundred sixty thousand, three hundred five".