6699329672 has 64 divisors (see below), whose sum is σ = 15724368000. Its totient is φ = 2609058816.

The previous prime is 6699329671. The next prime is 6699329687. The reversal of 6699329672 is 2769239966.

It is not an unprimeable number, because it can be changed into a prime (6699329671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93722 + ... + 148937.

It is an arithmetic number, because the mean of its divisors is an integer number (245693250).

Almost surely, 2^6699329672 is an apocalyptic number.

It is an amenable number.

6699329672 is an abundant number, since it is smaller than the sum of its proper divisors (9025038328).

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

6699329672 is a wasteful number, since it uses less digits than its factorization.

6699329672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242718 (or 242714 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 59.

The square root of 6699329672 is about 81849.4329363374. The cubic root of 6699329672 is about 1885.1407580396.

The spelling of 6699329672 in words is "six billion, six hundred ninety-nine million, three hundred twenty-nine thousand, six hundred seventy-two".