6630447776 has 12 divisors (see below), whose sum is σ = 13053694122. Its totient is φ = 3315223872.

The previous prime is 6630447721. The next prime is 6630447793. The reversal of 6630447776 is 6777440366.

It can be written as a sum of positive squares in only one way, i.e., 6380175376 + 250272400 = 79876^2 + 15820^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103600715 + ... + 103600778.

Almost surely, 2^6630447776 is an apocalyptic number.

It is an amenable number.

6630447776 is a deficient number, since it is larger than the sum of its proper divisors (6423246346).

6630447776 is a wasteful number, since it uses less digits than its factorization.

6630447776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207201503 (or 207201495 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 50.

The square root of 6630447776 is about 81427.5615255670. The cubic root of 6630447776 is about 1878.6575386674.

The spelling of 6630447776 in words is "six billion, six hundred thirty million, four hundred forty-seven thousand, seven hundred seventy-six".