6630055771 has 8 divisors (see below), whose sum is σ = 6654771200. Its totient is φ = 6605383680.

The previous prime is 6630055769. The next prime is 6630055813. The reversal of 6630055771 is 1775500366.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6630055771 - 2¹ = 6630055769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6630055721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313510 + ... + 333988.

It is an arithmetic number, because the mean of its divisors is an integer number (831846400).

Almost surely, 2^6630055771 is an apocalyptic number.

6630055771 is a deficient number, since it is larger than the sum of its proper divisors (24715429).

6630055771 is a wasteful number, since it uses less digits than its factorization.

6630055771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21669.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 6630055771 is about 81425.1544118892. The cubic root of 6630055771 is about 1878.6205146389.

The spelling of 6630055771 in words is "six billion, six hundred thirty million, fifty-five thousand, seven hundred seventy-one".