63159912 has 80 divisors (see below), whose sum is σ = 183060900. Its totient is φ = 20321280.

The previous prime is 63159893. The next prime is 63159917. The reversal of 63159912 is 21995136.

63159912 is a `hidden beast` number, since 63 + 1 + 599 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61873956 + 1285956 = 7866^2 + 1134^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (63159917) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17112 + ... + 20472.

Almost surely, 2^63159912 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 63159912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91530450).

63159912 is an abundant number, since it is smaller than the sum of its proper divisors (119900988).

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

63159912 is a wasteful number, since it uses less digits than its factorization.

63159912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3395 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 63159912 is about 7947.3210580673. The cubic root of 63159912 is about 398.2421024746.

The spelling of 63159912 in words is "sixty-three million, one hundred fifty-nine thousand, nine hundred twelve".