2208911794056 has 384 divisors, whose sum is σ = 7028298426240. Its totient is φ = 644076748800.

The previous prime is 2208911794043. The next prime is 2208911794073. The reversal of 2208911794056 is 6504971198022.

It is a happy number.

2208911794056 is a `hidden beast` number, since 220 + 8 + 9 + 1 + 1 + 7 + 9 + 405 + 6 = 666.

It is a super-3 number, since 3×2208911794056³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2208911793993 and 2208911794011.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63985056 + ... + 64019568.

It is an arithmetic number, because the mean of its divisors is an integer number (18302860485).

Almost surely, 2^{2208911794056} 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 2208911794056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514149213120).

2208911794056 is an abundant number, since it is smaller than the sum of its proper divisors (4819386632184).

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

2208911794056 is a wasteful number, since it uses less digits than its factorization.

2208911794056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34659 (or 34643 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 2208911794056 in words is "two trillion, two hundred eight billion, nine hundred eleven million, seven hundred ninety-four thousand, fifty-six".