63660613108 has 12 divisors (see below), whose sum is σ = 111409348960. Its totient is φ = 31829370552.

The previous prime is 63660613103. The next prime is 63660613109. The reversal of 63660613108 is 80131606636.

It is a super-2 number, since 2×63660613108² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63660613103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67866 + ... + 363217.

Almost surely, 2^63660613108 is an apocalyptic number.

It is an amenable number.

63660613108 is a deficient number, since it is larger than the sum of its proper divisors (47748735852).

63660613108 is a wasteful number, since it uses less digits than its factorization.

63660613108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468006 (or 468004 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 63660613108 in words is "sixty-three billion, six hundred sixty million, six hundred thirteen thousand, one hundred eight".