2261889024568 has 16 divisors (see below), whose sum is σ = 4242309088680. Its totient is φ = 1130606600928.

The previous prime is 2261889024557. The next prime is 2261889024599. The reversal of 2261889024568 is 8654209881622.

It is a super-2 number, since 2×2261889024568² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 42210471 + ... + 42264022.

Almost surely, 2^{2261889024568} is an apocalyptic number.

It is an amenable number.

2261889024568 is a deficient number, since it is larger than the sum of its proper divisors (1980420064112).

2261889024568 is a wasteful number, since it uses less digits than its factorization.

2261889024568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84477846 (or 84477842 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 2261889024568 in words is "two trillion, two hundred sixty-one billion, eight hundred eighty-nine million, twenty-four thousand, five hundred sixty-eight".