663086727248 has 80 divisors (see below), whose sum is σ = 1425466014336. Its totient is φ = 296297041920.

The previous prime is 663086727241. The next prime is 663086727253. The reversal of 663086727248 is 842727680366.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663086727241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350040 + ... + 2617032.

Almost surely, 2^663086727248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663086727248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712733007168).

663086727248 is an abundant number, since it is smaller than the sum of its proper divisors (762379287088).

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

663086727248 is a wasteful number, since it uses less digits than its factorization.

663086727248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267252 (or 267246 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 663086727248 in words is "six hundred sixty-three billion, eighty-six million, seven hundred twenty-seven thousand, two hundred forty-eight".