63163572078 has 32 divisors (see below), whose sum is σ = 126867330720. Its totient is φ = 20964556800.

The previous prime is 63163572071. The next prime is 63163572091. The reversal of 63163572078 is 87027536136.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63163572071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5083938 + ... + 5096346.

It is an arithmetic number, because the mean of its divisors is an integer number (3964604085).

Almost surely, 2^63163572078 is an apocalyptic number.

63163572078 is an abundant number, since it is smaller than the sum of its proper divisors (63703758642).

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

63163572078 is a wasteful number, since it uses less digits than its factorization.

63163572078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 63163572078 in words is "sixty-three billion, one hundred sixty-three million, five hundred seventy-two thousand, seventy-eight".