6630474776 has 32 divisors (see below), whose sum is σ = 13735772640. Its totient is φ = 2984560128.

The previous prime is 6630474749. The next prime is 6630474787. The reversal of 6630474776 is 6774740366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056731 + ... + 1062986.

It is an arithmetic number, because the mean of its divisors is an integer number (429242895).

Almost surely, 2^6630474776 is an apocalyptic number.

It is an amenable number.

6630474776 is an abundant number, since it is smaller than the sum of its proper divisors (7105297864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6630474776 is a wasteful number, since it uses less digits than its factorization.

6630474776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119763 (or 2119759 counting only the distinct ones).

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

The square root of 6630474776 is about 81427.7273169281. The cubic root of 6630474776 is about 1878.6600887055.

The spelling of 6630474776 in words is "six billion, six hundred thirty million, four hundred seventy-four thousand, seven hundred seventy-six".