2193337656 has 64 divisors (see below), whose sum is σ = 6413280000. Its totient is φ = 692631648.

The previous prime is 2193337651. The next prime is 2193337667. The reversal of 2193337656 is 6567333912.

2193337656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193337651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263116 + ... + 271323.

It is an arithmetic number, because the mean of its divisors is an integer number (100207500).

Almost surely, 2^2193337656 is an apocalyptic number.

It is an amenable number.

2193337656 is an abundant number, since it is smaller than the sum of its proper divisors (4219942344).

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

2193337656 is a wasteful number, since it uses less digits than its factorization.

2193337656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534473 (or 534463 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 2193337656 is about 46833.0829222250. The cubic root of 2193337656 is about 1299.2772424263.

The spelling of 2193337656 in words is "two billion, one hundred ninety-three million, three hundred thirty-seven thousand, six hundred fifty-six".