2662011556 has 6 divisors (see below), whose sum is σ = 4658520230. Its totient is φ = 1331005776.

The previous prime is 2662011533. The next prime is 2662011577. The reversal of 2662011556 is 6551102662.

It can be written as a sum of positive squares in only one way, i.e., 2660909056 + 1102500 = 51584^2 + 1050^2 .

It is a super-2 number, since 2×2662011556² = 14172611048555082272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332751441 + ... + 332751448.

Almost surely, 2^2662011556 is an apocalyptic number.

It is an amenable number.

2662011556 is a deficient number, since it is larger than the sum of its proper divisors (1996508674).

2662011556 is a wasteful number, since it uses less digits than its factorization.

2662011556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665502893 (or 665502891 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2662011556 is about 51594.6853464579. The cubic root of 2662011556 is about 1385.9151603426.

The spelling of 2662011556 in words is "two billion, six hundred sixty-two million, eleven thousand, five hundred fifty-six".