2194000838656 has 171 divisors, whose sum is σ = 4841574963043. Its totient is φ = 993481195520.

The previous prime is 2194000838551. The next prime is 2194000838741. The reversal of 2194000838656 is 6568380004912.

The square root of 2194000838656 is 1481216.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8342208381 + ... + 8342208643.

Almost surely, 2^{2194000838656} is an apocalyptic number.

2194000838656 is the 1481216-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194000838656

2194000838656 is an abundant number, since it is smaller than the sum of its proper divisors (2647574124387).

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

2194000838656 is an frugal number, since it uses more digits than its factorization.

2194000838656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 2194000838656 in words is "two trillion, one hundred ninety-four billion, eight hundred thirty-eight thousand, six hundred fifty-six".