63668370360 has 128 divisors (see below), whose sum is σ = 218372474880. Its totient is φ = 14547376128.

The previous prime is 63668370343. The next prime is 63668370401. The reversal of 63668370360 is 6307386636.

It is a super-2 number, since 2×63668370360² (a number of 22 digits) contains 22 as substring.

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, 2526784 + ... + 2551856.

It is an arithmetic number, because the mean of its divisors is an integer number (1706034960).

Almost surely, 2^63668370360 is an apocalyptic number.

63668370360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63668370360 is an abundant number, since it is smaller than the sum of its proper divisors (154704104520).

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

63668370360 is a wasteful number, since it uses less digits than its factorization.

63668370360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28117 (or 28113 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 63668370360 in words is "sixty-three billion, six hundred sixty-eight million, three hundred seventy thousand, three hundred sixty".