6506406656250 has 56 divisors (see below), whose sum is σ = 16265808669984. Its totient is φ = 1735041750000.

The previous prime is 6506406656213. The next prime is 6506406656279. The reversal of 6506406656250 is 526566046056.

It is a junction number, because it is equal to n+sod(n) for n = 6506406656193 and 6506406656202.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 34607086 + ... + 34794585.

Almost surely, 2^{6506406656250} is an apocalyptic number.

6506406656250 is an abundant number, since it is smaller than the sum of its proper divisors (9759402013734).

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

6506406656250 is an frugal number, since it uses more digits than its factorization.

6506406656250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69401706 (or 69401681 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 6506406656250 in words is "six trillion, five hundred six billion, four hundred six million, six hundred fifty-six thousand, two hundred fifty".