2506647168 has 64 divisors (see below), whose sum is σ = 7398100800. Its totient is φ = 835547904.

The previous prime is 2506647113. The next prime is 2506647191. The reversal of 2506647168 is 8617466052.

It is a tau number, because it is divible by the number of its divisors (64).

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, 359196 + ... + 366107.

It is an arithmetic number, because the mean of its divisors is an integer number (115595325).

Almost surely, 2^2506647168 is an apocalyptic number.

It is an amenable number.

2506647168 is an abundant number, since it is smaller than the sum of its proper divisors (4891453632).

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

2506647168 is an equidigital number, since it uses as much as digits as its factorization.

2506647168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725326 (or 725308 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2506647168 is about 50066.4275538010. The cubic root of 2506647168 is about 1358.4106230986.

The spelling of 2506647168 in words is "two billion, five hundred six million, six hundred forty-seven thousand, one hundred sixty-eight".