2256646065510 has 16 divisors (see below), whose sum is σ = 5415950557296. Its totient is φ = 601772284128.

The previous prime is 2256646065463. The next prime is 2256646065593. The reversal of 2256646065510 is 155606466522.

It is a self number, because there is not a number n which added to its sum of digits gives 2256646065510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37610767729 + ... + 37610767788.

It is an arithmetic number, because the mean of its divisors is an integer number (338496909831).

Almost surely, 2^{2256646065510} is an apocalyptic number.

2256646065510 is an abundant number, since it is smaller than the sum of its proper divisors (3159304491786).

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

2256646065510 is a wasteful number, since it uses less digits than its factorization.

2256646065510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75221535527.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 2256646065510 in words is "two trillion, two hundred fifty-six billion, six hundred forty-six million, sixty-five thousand, five hundred ten".