63040903168 has 96 divisors (see below), whose sum is σ = 134508956400. Its totient is φ = 29451091968.

The previous prime is 63040903129. The next prime is 63040903193. The reversal of 63040903168 is 86130904036.

It is a self number, because there is not a number n which added to its sum of digits gives 63040903168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829480 + ... + 2851672.

Almost surely, 2^63040903168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63040903168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67254478200).

63040903168 is an abundant number, since it is smaller than the sum of its proper divisors (71468053232).

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

63040903168 is a wasteful number, since it uses less digits than its factorization.

63040903168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22307 (or 22287 counting only the distinct ones).

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

The spelling of 63040903168 in words is "sixty-three billion, forty million, nine hundred three thousand, one hundred sixty-eight".