6648737346 has 48 divisors (see below), whose sum is σ = 14586998400. Its totient is φ = 2188405824.

The previous prime is 6648737341. The next prime is 6648737353. The reversal of 6648737346 is 6437378466.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6648737292 and 6648737301.

It is not an unprimeable number, because it can be changed into a prime (6648737341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1418635 + ... + 1423313.

It is an arithmetic number, because the mean of its divisors is an integer number (303895800).

Almost surely, 2^6648737346 is an apocalyptic number.

6648737346 is an abundant number, since it is smaller than the sum of its proper divisors (7938261054).

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

6648737346 is a wasteful number, since it uses less digits than its factorization.

6648737346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663 (or 5660 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The square root of 6648737346 is about 81539.7899555794. The cubic root of 6648737346 is about 1880.3833292963.

The spelling of 6648737346 in words is "six billion, six hundred forty-eight million, seven hundred thirty-seven thousand, three hundred forty-six".