664241356 has 12 divisors (see below), whose sum is σ = 1163243592. Its totient is φ = 331886048.

The previous prime is 664241297. The next prime is 664241359. The reversal of 664241356 is 653142466.

664241356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (664241359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52210 + ... + 63673.

It is an arithmetic number, because the mean of its divisors is an integer number (96936966).

Almost surely, 2^664241356 is an apocalyptic number.

It is an amenable number.

664241356 is a deficient number, since it is larger than the sum of its proper divisors (499002236).

664241356 is a wasteful number, since it uses less digits than its factorization.

664241356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117320 (or 117318 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 664241356 is about 25772.8802426116. The cubic root of 664241356 is about 872.5198254951.

The spelling of 664241356 in words is "six hundred sixty-four million, two hundred forty-one thousand, three hundred fifty-six".