663071300244 has 36 divisors (see below), whose sum is σ = 1774690834644. Its totient is φ = 208022368512.

The previous prime is 663071300233. The next prime is 663071300251. The reversal of 663071300244 is 442003170366.

It is a happy number.

663071300244 is a `hidden beast` number, since 6 + 6 + 307 + 1 + 300 + 2 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 373883331600 + 289187968644 = 611460^2 + 537762^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 663071300199 and 663071300208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541724307 + ... + 541725530.

It is an arithmetic number, because the mean of its divisors is an integer number (49296967629).

Almost surely, 2^663071300244 is an apocalyptic number.

It is an amenable number.

663071300244 is an abundant number, since it is smaller than the sum of its proper divisors (1111619534400).

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

663071300244 is a wasteful number, since it uses less digits than its factorization.

663071300244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083449864 (or 1083449859 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 663071300244 in words is "six hundred sixty-three billion, seventy-one million, three hundred thousand, two hundred forty-four".