6646350004 has 36 divisors (see below), whose sum is σ = 13600984320. Its totient is φ = 2833506480.

The previous prime is 6646349999. The next prime is 6646350023. The reversal of 6646350004 is 4000536466.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 51334 + ... + 126205.

It is an arithmetic number, because the mean of its divisors is an integer number (377805120).

Almost surely, 2^6646350004 is an apocalyptic number.

It is an amenable number.

6646350004 is an abundant number, since it is smaller than the sum of its proper divisors (6954634316).

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

6646350004 is a wasteful number, since it uses less digits than its factorization.

6646350004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177748 (or 177739 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 6646350004 is about 81525.1495184155. The cubic root of 6646350004 is about 1880.1582411695.

The spelling of 6646350004 in words is "six billion, six hundred forty-six million, three hundred fifty thousand, four".