663613896060 has 36 divisors (see below), whose sum is σ = 2012962151928. Its totient is φ = 176963705568.

The previous prime is 663613896053. The next prime is 663613896067. The reversal of 663613896060 is 60698316366.

663613896060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (663613896053) and next prime (663613896067).

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 663613895988 and 663613896006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663613896067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1843371754 + ... + 1843372113.

Almost surely, 2^663613896060 is an apocalyptic number.

663613896060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

663613896060 is an abundant number, since it is smaller than the sum of its proper divisors (1349348255868).

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

663613896060 is a wasteful number, since it uses less digits than its factorization.

663613896060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686743882 (or 3686743877 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 663613896060 in words is "six hundred sixty-three billion, six hundred thirteen million, eight hundred ninety-six thousand, sixty".