2056216067880 has 512 divisors, whose sum is σ = 6989591347200. Its totient is φ = 480486518784.

The previous prime is 2056216067863. The next prime is 2056216067891. The reversal of 2056216067880 is 887606126502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1039016731 + ... + 1039018709.

It is an arithmetic number, because the mean of its divisors is an integer number (13651545600).

Almost surely, 2^{2056216067880} is an apocalyptic number.

2056216067880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056216067880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3494795673600).

2056216067880 is an abundant number, since it is smaller than the sum of its proper divisors (4933375279320).

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

2056216067880 is a wasteful number, since it uses less digits than its factorization.

2056216067880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 2056216067880 in words is "two trillion, fifty-six billion, two hundred sixteen million, sixty-seven thousand, eight hundred eighty".