210096791920656 has 75 divisors (see below), whose sum is σ = 608082580098543. Its totient is φ = 70032090036960.

The previous prime is 210096791920531. The next prime is 210096791920669. The reversal of 210096791920656 is 656029197690012.

The square root of 210096791920656 is 14494716.

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

210096791920656 is a `hidden beast` number, since 210 + 0 + 96 + 79 + 19 + 206 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 210096791920593 and 210096791920602.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 521608461 + ... + 522011091.

Almost surely, 2^{210096791920656} is an apocalyptic number.

210096791920656 is the 14494716-th square number.

It is an amenable number.

210096791920656 is an abundant number, since it is smaller than the sum of its proper divisors (397985788177887).

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

210096791920656 is an frugal number, since it uses more digits than its factorization.

210096791920656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805282 (or 402636 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 210096791920656 in words is "two hundred ten trillion, ninety-six billion, seven hundred ninety-one million, nine hundred twenty thousand, six hundred fifty-six".