63606855641472 has 1536 divisors, whose sum is σ = 243741161664000. Its totient is φ = 15594533683200.

The previous prime is 63606855641467. The next prime is 63606855641509. The reversal of 63606855641472 is 27414655860636.

63606855641472 is a `hidden beast` number, since 6 + 3 + 6 + 0 + 6 + 8 + 556 + 4 + 1 + 4 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3139363822 + ... + 3139384082.

It is an arithmetic number, because the mean of its divisors is an integer number (158685652125).

Almost surely, 2^{63606855641472} 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 63606855641472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121870580832000).

63606855641472 is an abundant number, since it is smaller than the sum of its proper divisors (180134306022528).

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

63606855641472 is a wasteful number, since it uses less digits than its factorization.

63606855641472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400 (or 20385 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 63.

The spelling of 63606855641472 in words is "sixty-three trillion, six hundred six billion, eight hundred fifty-five million, six hundred forty-one thousand, four hundred seventy-two".