6630871994 has 8 divisors (see below), whose sum is σ = 10042874400. Its totient is φ = 3283247196.

The previous prime is 6630871993. The next prime is 6630872023. The reversal of 6630871994 is 4991780366.

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

It is not an unprimeable number, because it can be changed into a prime (6630871991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16094144 + ... + 16094555.

It is an arithmetic number, because the mean of its divisors is an integer number (1255359300).

Almost surely, 2^6630871994 is an apocalyptic number.

6630871994 is a deficient number, since it is larger than the sum of its proper divisors (3412002406).

6630871994 is a wasteful number, since it uses less digits than its factorization.

6630871994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32188804.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 6630871994 is about 81430.1663635781. The cubic root of 6630871994 is about 1878.6976035003.

The spelling of 6630871994 in words is "six billion, six hundred thirty million, eight hundred seventy-one thousand, nine hundred ninety-four".