63163812 has 24 divisors (see below), whose sum is σ = 148762656. Its totient is φ = 20857408.

The previous prime is 63163811. The next prime is 63163829. The reversal of 63163812 is 21836136.

It is a self number, because there is not a number n which added to its sum of digits gives 63163812.

It is not an unprimeable number, because it can be changed into a prime (63163811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23313 + ... + 25880.

It is an arithmetic number, because the mean of its divisors is an integer number (6198444).

Almost surely, 2^63163812 is an apocalyptic number.

It is an amenable number.

63163812 is an abundant number, since it is smaller than the sum of its proper divisors (85598844).

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

63163812 is a wasteful number, since it uses less digits than its factorization.

63163812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49307 (or 49305 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 63163812 is about 7947.5664199804. The cubic root of 63163812 is about 398.2502991940.

Adding to 63163812 its reverse (21836136), we get a palindrome (84999948).

The spelling of 63163812 in words is "sixty-three million, one hundred sixty-three thousand, eight hundred twelve".