664838483036 has 48 divisors (see below), whose sum is σ = 1434229655040. Its totient is φ = 262596116160.

The previous prime is 664838483017. The next prime is 664838483039. The reversal of 664838483036 is 630384838466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664838483039) 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, 1217606 + ... + 1676973.

It is an arithmetic number, because the mean of its divisors is an integer number (29879784480).

Almost surely, 2^664838483036 is an apocalyptic number.

It is an amenable number.

664838483036 is an abundant number, since it is smaller than the sum of its proper divisors (769391172004).

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

664838483036 is a wasteful number, since it uses less digits than its factorization.

664838483036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895234 (or 2895232 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 59.

The spelling of 664838483036 in words is "six hundred sixty-four billion, eight hundred thirty-eight million, four hundred eighty-three thousand, thirty-six".