1116894790638 has 24 divisors (see below), whose sum is σ = 2639933141976. Its totient is φ = 338452966800.

The previous prime is 1116894790621. The next prime is 1116894790643. The reversal of 1116894790638 is 8360974986111.

1116894790638 is a `hidden beast` number, since 11 + 16 + 89 + 479 + 0 + 63 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2820441193 + ... + 2820441588.

It is an arithmetic number, because the mean of its divisors is an integer number (109997214249).

Almost surely, 2^{1116894790638} is an apocalyptic number.

1116894790638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1116894790638 is an abundant number, since it is smaller than the sum of its proper divisors (1523038351338).

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

1116894790638 is a wasteful number, since it uses less digits than its factorization.

1116894790638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640882800 (or 5640882797 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 1116894790638 in words is "one trillion, one hundred sixteen billion, eight hundred ninety-four million, seven hundred ninety thousand, six hundred thirty-eight".