664631344150 has 12 divisors (see below), whose sum is σ = 1236214300212. Its totient is φ = 265852537640.

The previous prime is 664631344109. The next prime is 664631344187. The reversal of 664631344150 is 51443136466.

It is a junction number, because it is equal to n+sod(n) for n = 664631344097 and 664631344106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6646313392 + ... + 6646313491.

It is an arithmetic number, because the mean of its divisors is an integer number (103017858351).

Almost surely, 2^664631344150 is an apocalyptic number.

664631344150 is a deficient number, since it is larger than the sum of its proper divisors (571582956062).

664631344150 is a wasteful number, since it uses less digits than its factorization.

664631344150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13292626895 (or 13292626890 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 664631344150 in words is "six hundred sixty-four billion, six hundred thirty-one million, three hundred forty-four thousand, one hundred fifty".