2176012120656 has 320 divisors, whose sum is σ = 6388583104512. Its totient is φ = 632271360000.

The previous prime is 2176012120603. The next prime is 2176012120663. The reversal of 2176012120656 is 6560212106712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 878485690 + ... + 878488166.

Almost surely, 2^{2176012120656} 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 2176012120656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3194291552256).

2176012120656 is an abundant number, since it is smaller than the sum of its proper divisors (4212570983856).

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

2176012120656 is a wasteful number, since it uses less digits than its factorization.

2176012120656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 2176012120656 in words is "two trillion, one hundred seventy-six billion, twelve million, one hundred twenty thousand, six hundred fifty-six".