663198742306 has 8 divisors (see below), whose sum is σ = 994802328144. Its totient is φ = 331597966260.

The previous prime is 663198742303. The next prime is 663198742337. The reversal of 663198742306 is 603247891366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (663198742303) 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, 47961 + ... + 1152691.

It is an arithmetic number, because the mean of its divisors is an integer number (124350291018).

Almost surely, 2^663198742306 is an apocalyptic number.

663198742306 is a deficient number, since it is larger than the sum of its proper divisors (331603585838).

663198742306 is a wasteful number, since it uses less digits than its factorization.

663198742306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404896.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 663198742306 in words is "six hundred sixty-three billion, one hundred ninety-eight million, seven hundred forty-two thousand, three hundred six".