6650408208 has 80 divisors (see below), whose sum is σ = 17842516736. Its totient is φ = 2132887680.

The previous prime is 6650408201. The next prime is 6650408221. The reversal of 6650408208 is 8028040566.

It is not an unprimeable number, because it can be changed into a prime (6650408201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114243 + ... + 162333.

Almost surely, 2^6650408208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6650408208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8921258368).

6650408208 is an abundant number, since it is smaller than the sum of its proper divisors (11192108528).

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

6650408208 is a wasteful number, since it uses less digits than its factorization.

6650408208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48212 (or 48206 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 6650408208 is about 81550.0349969269. The cubic root of 6650408208 is about 1880.5408327808.

The spelling of 6650408208 in words is "six billion, six hundred fifty million, four hundred eight thousand, two hundred eight".