2246891135778 has 40 divisors (see below), whose sum is σ = 5208310881180. Its totient is φ = 723137375520.

The previous prime is 2246891135759. The next prime is 2246891135791. The reversal of 2246891135778 is 8775311986422.

2246891135778 is a `hidden beast` number, since 2 + 2 + 46 + 8 + 9 + 1 + 13 + 577 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2050157194569 + 196733941209 = 1431837^2 + 443547^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 239128033 + ... + 239137428.

Almost surely, 2^{2246891135778} is an apocalyptic number.

2246891135778 is an abundant number, since it is smaller than the sum of its proper divisors (2961419745402).

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

2246891135778 is a wasteful number, since it uses less digits than its factorization.

2246891135778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478265504 (or 478265495 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 2246891135778 in words is "two trillion, two hundred forty-six billion, eight hundred ninety-one million, one hundred thirty-five thousand, seven hundred seventy-eight".