1818998415360 has 1680 divisors, whose sum is σ = 7745029959744. Its totient is φ = 407113039872.

The previous prime is 1818998415359. The next prime is 1818998415371. The reversal of 1818998415360 is 635148998181.

1818998415360 is a `hidden beast` number, since 1 + 8 + 1 + 8 + 9 + 98 + 4 + 1 + 536 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10892205997 + ... + 10892206163.

Almost surely, 2^{1818998415360} is an apocalyptic number.

1818998415360 is a gapful number since it is divisible by the number (10) 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 1818998415360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872514979872).

1818998415360 is an abundant number, since it is smaller than the sum of its proper divisors (5926031544384).

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

1818998415360 is an equidigital number, since it uses as much as digits as its factorization.

1818998415360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 1818998415360 in words is "one trillion, eight hundred eighteen billion, nine hundred ninety-eight million, four hundred fifteen thousand, three hundred sixty".