2606668956 has 36 divisors (see below), whose sum is σ = 6976674432. Its totient is φ = 817778304.

The previous prime is 2606668943. The next prime is 2606668979. The reversal of 2606668956 is 6598666062.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2129020 + ... + 2130243.

It is an arithmetic number, because the mean of its divisors is an integer number (193796512).

Almost surely, 2^2606668956 is an apocalyptic number.

It is an amenable number.

2606668956 is an abundant number, since it is smaller than the sum of its proper divisors (4370005476).

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

2606668956 is a wasteful number, since it uses less digits than its factorization.

2606668956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259290 (or 4259285 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 2606668956 is about 51055.5477494856. The cubic root of 2606668956 is about 1376.2435394322.

The spelling of 2606668956 in words is "two billion, six hundred six million, six hundred sixty-eight thousand, nine hundred fifty-six".