663701747048 has 16 divisors (see below), whose sum is σ = 1244960845380. Its totient is φ = 331712188288.

The previous prime is 663701747039. The next prime is 663701747083. The reversal of 663701747048 is 840747107366.

It can be written as a sum of positive squares in 2 ways, for example, as 663511251844 + 190495204 = 814562^2 + 13802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17315315 + ... + 17353602.

Almost surely, 2^663701747048 is an apocalyptic number.

It is an amenable number.

663701747048 is a deficient number, since it is larger than the sum of its proper divisors (581259098332).

663701747048 is a wasteful number, since it uses less digits than its factorization.

663701747048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34671316 (or 34671312 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 663701747048 in words is "six hundred sixty-three billion, seven hundred one million, seven hundred forty-seven thousand, forty-eight".