63165996 has 36 divisors (see below), whose sum is σ = 159973632. Its totient is φ = 21015264.

The previous prime is 63165961. The next prime is 63165997. The reversal of 63165996 is 69956136.

63165996 is a `hidden beast` number, since 631 + 6 + 5 + 9 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (63165997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22165 + ... + 24851.

It is an arithmetic number, because the mean of its divisors is an integer number (4443712).

Almost surely, 2^63165996 is an apocalyptic number.

It is an amenable number.

63165996 is an abundant number, since it is smaller than the sum of its proper divisors (96807636).

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

63165996 is a wasteful number, since it uses less digits than its factorization.

63165996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350 (or 3345 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 63165996 is about 7947.7038193430. The cubic root of 63165996 is about 398.2548892095.

The spelling of 63165996 in words is "sixty-three million, one hundred sixty-five thousand, nine hundred ninety-six".