63432167136 has 48 divisors (see below), whose sum is σ = 179317860624. Its totient is φ = 19517589504.

The previous prime is 63432167101. The next prime is 63432167203. The reversal of 63432167136 is 63176123436.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 25412281 + ... + 25414776.

It is an arithmetic number, because the mean of its divisors is an integer number (3735788763).

Almost surely, 2^63432167136 is an apocalyptic number.

It is an amenable number.

63432167136 is an abundant number, since it is smaller than the sum of its proper divisors (115885693488).

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

63432167136 is a wasteful number, since it uses less digits than its factorization.

63432167136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50827083 (or 50827075 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The spelling of 63432167136 in words is "sixty-three billion, four hundred thirty-two million, one hundred sixty-seven thousand, one hundred thirty-six".