1018403518896 has 160 divisors (see below), whose sum is σ = 3018736947200. Its totient is φ = 328381724160.

The previous prime is 1018403518889. The next prime is 1018403518921. The reversal of 1018403518896 is 6988153048101.

It is a happy number.

1018403518896 is a `hidden beast` number, since 1 + 0 + 1 + 8 + 40 + 3 + 518 + 89 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35434260 + ... + 35462988.

It is an arithmetic number, because the mean of its divisors is an integer number (18867105920).

Almost surely, 2^{1018403518896} is an apocalyptic number.

1018403518896 is a gapful number since it is divisible by the number (16) 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 1018403518896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509368473600).

1018403518896 is an abundant number, since it is smaller than the sum of its proper divisors (2000333428304).

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

1018403518896 is a wasteful number, since it uses less digits than its factorization.

1018403518896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31424 (or 31412 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 1018403518896 in words is "one trillion, eighteen billion, four hundred three million, five hundred eighteen thousand, eight hundred ninety-six".