6681473352 has 64 divisors (see below), whose sum is σ = 18566856000. Its totient is φ = 2226292992.

The previous prime is 6681473339. The next prime is 6681473353. The reversal of 6681473352 is 2533741866.

It is a super-2 number, since 2×6681473352² = 89284172306972231808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6681473298 and 6681473307.

It is not an unprimeable number, because it can be changed into a prime (6681473353) 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, 803488 + ... + 811760.

It is an arithmetic number, because the mean of its divisors is an integer number (290107125).

Almost surely, 2^6681473352 is an apocalyptic number.

It is an amenable number.

6681473352 is an abundant number, since it is smaller than the sum of its proper divisors (11885382648).

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

6681473352 is a wasteful number, since it uses less digits than its factorization.

6681473352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12027 (or 12017 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 6681473352 is about 81740.2798625011. The cubic root of 6681473352 is about 1883.4643899157.

The spelling of 6681473352 in words is "six billion, six hundred eighty-one million, four hundred seventy-three thousand, three hundred fifty-two".