2190610870056 has 1024 divisors, whose sum is σ = 7942717440000. Its totient is φ = 545423155200.

The previous prime is 2190610870013. The next prime is 2190610870057. The reversal of 2190610870056 is 6500780160912.

2190610870056 is a `hidden beast` number, since 21 + 9 + 0 + 610 + 8 + 7 + 0 + 0 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2190610869993 and 2190610870020.

It is not an unprimeable number, because it can be changed into a prime (2190610870057) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1281807730 + ... + 1281809438.

It is an arithmetic number, because the mean of its divisors is an integer number (7756560000).

Almost surely, 2^{2190610870056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190610870056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3971358720000).

2190610870056 is an abundant number, since it is smaller than the sum of its proper divisors (5752106569944).

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

2190610870056 is a wasteful number, since it uses less digits than its factorization.

2190610870056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 2190610870056 in words is "two trillion, one hundred ninety billion, six hundred ten million, eight hundred seventy thousand, fifty-six".