2506506606 has 24 divisors (see below), whose sum is σ = 5631904824. Its totient is φ = 835502040.

The previous prime is 2506506601. The next prime is 2506506623. The reversal of 2506506606 is 6066056052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506506601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578225 + ... + 2579196.

It is an arithmetic number, because the mean of its divisors is an integer number (234662701).

Almost surely, 2^2506506606 is an apocalyptic number.

2506506606 is an abundant number, since it is smaller than the sum of its proper divisors (3125398218).

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

2506506606 is an equidigital number, since it uses as much as digits as its factorization.

2506506606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157438 (or 5157426 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2506506606 is about 50065.0237790815. The cubic root of 2506506606 is about 1358.3852313475.

The spelling of 2506506606 in words is "two billion, five hundred six million, five hundred six thousand, six hundred six".