63268366580 has 24 divisors (see below), whose sum is σ = 133061017992. Its totient is φ = 25269737472.

The previous prime is 63268366549. The next prime is 63268366583. The reversal of 63268366580 is 8566386236.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17734781584 + 45533584996 = 133172^2 + 213386^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63268366583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336777 + ... + 2363696.

It is an arithmetic number, because the mean of its divisors is an integer number (5544209083).

Almost surely, 2^63268366580 is an apocalyptic number.

It is an amenable number.

63268366580 is an abundant number, since it is smaller than the sum of its proper divisors (69792651412).

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

63268366580 is a wasteful number, since it uses less digits than its factorization.

63268366580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701155 (or 4701153 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 63268366580 in words is "sixty-three billion, two hundred sixty-eight million, three hundred sixty-six thousand, five hundred eighty".