6630054388 has 6 divisors (see below), whose sum is σ = 11602595186. Its totient is φ = 3315027192.

The previous prime is 6630054371. The next prime is 6630054391. The reversal of 6630054388 is 8834500366.

It can be written as a sum of positive squares in only one way, i.e., 3683518864 + 2946535524 = 60692^2 + 54282^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828756795 + ... + 828756802.

Almost surely, 2^6630054388 is an apocalyptic number.

It is an amenable number.

6630054388 is a deficient number, since it is larger than the sum of its proper divisors (4972540798).

6630054388 is a wasteful number, since it uses less digits than its factorization.

6630054388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657513601 (or 1657513599 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 6630054388 is about 81425.1459194271. The cubic root of 6630054388 is about 1878.6203840149.

The spelling of 6630054388 in words is "six billion, six hundred thirty million, fifty-four thousand, three hundred eighty-eight".