1099018368 has 320 divisors, whose sum is σ = 3939566400. Its totient is φ = 297105408.

The previous prime is 1099018357. The next prime is 1099018391. The reversal of 1099018368 is 8638109901.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1378546 + ... + 1379342.

It is an arithmetic number, because the mean of its divisors is an integer number (12311145).

Almost surely, 2^1099018368 is an apocalyptic number.

1099018368 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 1099018368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969783200).

1099018368 is an abundant number, since it is smaller than the sum of its proper divisors (2840548032).

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

1099018368 is an equidigital number, since it uses as much as digits as its factorization.

1099018368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1099018368 is about 33151.4459413160. The cubic root of 1099018368 is about 1031.9729576473.

The spelling of 1099018368 in words is "one billion, ninety-nine million, eighteen thousand, three hundred sixty-eight".