63530181131996 has 12 divisors (see below), whose sum is σ = 111667587101448. Its totient is φ = 31625156245872.

The previous prime is 63530181131971. The next prime is 63530181132007. The reversal of 63530181131996 is 69913118103536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34983579011 + ... + 34983580826.

It is an arithmetic number, because the mean of its divisors is an integer number (9305632258454).

Almost surely, 2^{63530181131996} is an apocalyptic number.

It is an amenable number.

63530181131996 is a deficient number, since it is larger than the sum of its proper divisors (48137405969452).

63530181131996 is a wasteful number, since it uses less digits than its factorization.

63530181131996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69967160068 (or 69967160066 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 56.

The spelling of 63530181131996 in words is "sixty-three trillion, five hundred thirty billion, one hundred eighty-one million, one hundred thirty-one thousand, nine hundred ninety-six".