2551606035064 has 32 divisors (see below), whose sum is σ = 4932684755280. Its totient is φ = 1236491771904.

The previous prime is 2551606035049. The next prime is 2551606035071. The reversal of 2551606035064 is 4605306061552.

It is a self number, because there is not a number n which added to its sum of digits gives 2551606035064.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16694922 + ... + 16847065.

Almost surely, 2^{2551606035064} is an apocalyptic number.

It is an amenable number.

2551606035064 is a deficient number, since it is larger than the sum of its proper divisors (2381078720216).

2551606035064 is a wasteful number, since it uses less digits than its factorization.

2551606035064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33542287 (or 33542283 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 2551606035064 in words is "two trillion, five hundred fifty-one billion, six hundred six million, thirty-five thousand, sixty-four".