63163953 has 12 divisors (see below), whose sum is σ = 91345488. Its totient is φ = 42059160.

The previous prime is 63163939. The next prime is 63163979. The reversal of 63163953 is 35936136.

It is not a de Polignac number, because 63163953 - 2⁴ = 63163937 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63163553) 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, 4818 + ... + 12228.

It is an arithmetic number, because the mean of its divisors is an integer number (7612124).

Almost surely, 2^63163953 is an apocalyptic number.

It is an amenable number.

63163953 is a deficient number, since it is larger than the sum of its proper divisors (28181535).

63163953 is a wasteful number, since it uses less digits than its factorization.

63163953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364 (or 8361 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 63163953 is about 7947.5752906154. The cubic root of 63163953 is about 398.2505955306.

The spelling of 63163953 in words is "sixty-three million, one hundred sixty-three thousand, nine hundred fifty-three".