6550250816256 has 72 divisors (see below), whose sum is σ = 19923679582464. Its totient is φ = 1871500231680.

The previous prime is 6550250816251. The next prime is 6550250816309. The reversal of 6550250816256 is 6526180520556.

It is a junction number, because it is equal to n+sod(n) for n = 6550250816199 and 6550250816208.

It is not an unprimeable number, because it can be changed into a prime (6550250816251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609206940 + ... + 609217691.

Almost surely, 2^{6550250816256} is an apocalyptic number.

It is an amenable number.

6550250816256 is an abundant number, since it is smaller than the sum of its proper divisors (13373428766208).

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

6550250816256 is a wasteful number, since it uses less digits than its factorization.

6550250816256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218424657 (or 1218424643 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 6550250816256 in words is "six trillion, five hundred fifty billion, two hundred fifty million, eight hundred sixteen thousand, two hundred fifty-six".