2660994927 has 12 divisors (see below), whose sum is σ = 3851689920. Its totient is φ = 1770290208.

The previous prime is 2660994901. The next prime is 2660994937. The reversal of 2660994927 is 7294990662.

2660994927 is a `hidden beast` number, since 2 + 6 + 60 + 99 + 492 + 7 = 666.

It is not a de Polignac number, because 2660994927 - 2⁶ = 2660994863 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660994937) 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, 304318 + ... + 312939.

It is an arithmetic number, because the mean of its divisors is an integer number (320974160).

Almost surely, 2^2660994927 is an apocalyptic number.

2660994927 is a deficient number, since it is larger than the sum of its proper divisors (1190694993).

2660994927 is a wasteful number, since it uses less digits than its factorization.

2660994927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617742 (or 617739 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 2660994927 is about 51584.8323347086. The cubic root of 2660994927 is about 1385.7387097006.

The spelling of 2660994927 in words is "two billion, six hundred sixty million, nine hundred ninety-four thousand, nine hundred twenty-seven".