63155136 has 112 divisors (see below), whose sum is σ = 193121280. Its totient is φ = 18001920.

The previous prime is 63155123. The next prime is 63155143.

63155136 is nontrivially palindromic in base 10.

63155136 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35025 + ... + 36783.

Almost surely, 2^63155136 is an apocalyptic number.

63155136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63155136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96560640).

63155136 is an abundant number, since it is smaller than the sum of its proper divisors (129966144).

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

63155136 is a wasteful number, since it uses less digits than its factorization.

63155136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1792 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 63155136 is about 7947.0205737748. The cubic root of 63155136 is about 398.2320641863.

The spelling of 63155136 in words is "sixty-three million, one hundred fifty-five thousand, one hundred thirty-six".