63155934072 has 192 divisors, whose sum is σ = 214615065600. Its totient is φ = 16299429120.

The previous prime is 63155934047. The next prime is 63155934091. The reversal of 63155934072 is 27043955136.

63155934072 is a `hidden beast` number, since 6 + 3 + 15 + 593 + 40 + 7 + 2 = 666.

63155934072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 834129 + ... + 906687.

It is an arithmetic number, because the mean of its divisors is an integer number (1117786800).

Almost surely, 2^63155934072 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 63155934072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107307532800).

63155934072 is an abundant number, since it is smaller than the sum of its proper divisors (151459131528).

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

63155934072 is a wasteful number, since it uses less digits than its factorization.

63155934072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72746 (or 72739 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 63155934072 in words is "sixty-three billion, one hundred fifty-five million, nine hundred thirty-four thousand, seventy-two".