1018491687360 has 1344 divisors, whose sum is σ = 4280659968000. Its totient is φ = 221908377600.

The previous prime is 1018491687307. The next prime is 1018491687419. The reversal of 1018491687360 is 637861948101.

1018491687360 is a `hidden beast` number, since 1 + 0 + 18 + 491 + 6 + 87 + 3 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a junction number, because it is equal to n+sod(n) for n = 1018491687297 and 1018491687306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2419219950 + ... + 2419220370.

Almost surely, 2^{1018491687360} is an apocalyptic number.

1018491687360 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 1018491687360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140329984000).

1018491687360 is an abundant number, since it is smaller than the sum of its proper divisors (3262168280640).

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

1018491687360 is a wasteful number, since it uses less digits than its factorization.

1018491687360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 1018491687360 in words is "one trillion, eighteen billion, four hundred ninety-one million, six hundred eighty-seven thousand, three hundred sixty".