63436080889216 has 64 divisors (see below), whose sum is σ = 144963316661760. Its totient is φ = 27086571072000.

The previous prime is 63436080889199. The next prime is 63436080889219. The reversal of 63436080889216 is 61298808063436.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63436080889219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130383010 + ... + 130868641.

It is an arithmetic number, because the mean of its divisors is an integer number (2265051822840).

Almost surely, 2^{63436080889216} is an apocalyptic number.

It is an amenable number.

63436080889216 is an abundant number, since it is smaller than the sum of its proper divisors (81527235772544).

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

63436080889216 is a wasteful number, since it uses less digits than its factorization.

63436080889216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261251943 (or 261251931 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 64.

The spelling of 63436080889216 in words is "sixty-three trillion, four hundred thirty-six billion, eighty million, eight hundred eighty-nine thousand, two hundred sixteen".