2988672656 has 10 divisors (see below), whose sum is σ = 5790553302. Its totient is φ = 1494336320.

The previous prime is 2988672653. The next prime is 2988672667. The reversal of 2988672656 is 6562768892.

It can be written as a sum of positive squares in only one way, i.e., 2541773056 + 446899600 = 50416^2 + 21140^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2988672595 and 2988672604.

It is not an unprimeable number, because it can be changed into a prime (2988672653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93396005 + ... + 93396036.

Almost surely, 2^2988672656 is an apocalyptic number.

It is an amenable number.

2988672656 is a deficient number, since it is larger than the sum of its proper divisors (2801880646).

2988672656 is a wasteful number, since it uses less digits than its factorization.

2988672656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186792049 (or 186792043 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The square root of 2988672656 is about 54668.7539276322. The cubic root of 2988672656 is about 1440.4320745604.

The spelling of 2988672656 in words is "two billion, nine hundred eighty-eight million, six hundred seventy-two thousand, six hundred fifty-six".