2646207222756 has 96 divisors (see below), whose sum is σ = 6352270404480. Its totient is φ = 857139508224.

The previous prime is 2646207222733. The next prime is 2646207222833. The reversal of 2646207222756 is 6572227026462.

It is a junction number, because it is equal to n+sod(n) for n = 2646207222699 and 2646207222708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14784310 + ... + 14962226.

It is an arithmetic number, because the mean of its divisors is an integer number (66169483380).

Almost surely, 2^{2646207222756} is an apocalyptic number.

It is an amenable number.

2646207222756 is an abundant number, since it is smaller than the sum of its proper divisors (3706063181724).

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

2646207222756 is a wasteful number, since it uses less digits than its factorization.

2646207222756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178253 (or 178251 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 2646207222756 in words is "two trillion, six hundred forty-six billion, two hundred seven million, two hundred twenty-two thousand, seven hundred fifty-six".