2600686064 has 10 divisors (see below), whose sum is σ = 5038829280. Its totient is φ = 1300343024.

The previous prime is 2600686031. The next prime is 2600686091. The reversal of 2600686064 is 4606860062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81271424 + ... + 81271455.

It is an arithmetic number, because the mean of its divisors is an integer number (503882928).

Almost surely, 2^2600686064 is an apocalyptic number.

It is an amenable number.

2600686064 is a deficient number, since it is larger than the sum of its proper divisors (2438143216).

2600686064 is a wasteful number, since it uses less digits than its factorization.

2600686064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162542887 (or 162542881 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2600686064 is about 50996.9221032015. The cubic root of 2600686064 is about 1375.1898032642.

The spelling of 2600686064 in words is "two billion, six hundred million, six hundred eighty-six thousand, sixty-four".