2506656670 has 16 divisors (see below), whose sum is σ = 5156551008. Its totient is φ = 859425120.

The previous prime is 2506656667. The next prime is 2506656697. The reversal of 2506656670 is 766566052.

2506656670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2506656670² = 12566655322510977800, which contains 22 as substring.

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, 17904621 + ... + 17904760.

It is an arithmetic number, because the mean of its divisors is an integer number (322284438).

Almost surely, 2^2506656670 is an apocalyptic number.

2506656670 is an abundant number, since it is smaller than the sum of its proper divisors (2649894338).

2506656670 is a wasteful number, since it uses less digits than its factorization.

2506656670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35809395.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 2506656670 is about 50066.5224476396. The cubic root of 2506656670 is about 1358.4123395483.

The spelling of 2506656670 in words is "two billion, five hundred six million, six hundred fifty-six thousand, six hundred seventy".