63636363960 has 128 divisors (see below), whose sum is σ = 209079360000. Its totient is φ = 15398816256.

The previous prime is 63636363937. The next prime is 63636363997. The reversal of 63636363960 is 6936363636.

63636363960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253660 + ... + 437739.

It is an arithmetic number, because the mean of its divisors is an integer number (1633432500).

Almost surely, 2^63636363960 is an apocalyptic number.

63636363960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63636363960 is an abundant number, since it is smaller than the sum of its proper divisors (145442996040).

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

63636363960 is a wasteful number, since it uses less digits than its factorization.

63636363960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691485 (or 691481 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 51.

The spelling of 63636363960 in words is "sixty-three billion, six hundred thirty-six million, three hundred sixty-three thousand, nine hundred sixty".