63254402168 has 32 divisors (see below), whose sum is σ = 121209860160. Its totient is φ = 30932711040.

The previous prime is 63254402153. The next prime is 63254402209. The reversal of 63254402168 is 86120445236.

It is a super-4 number, since 4×63254402168⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488438 + ... + 604218.

It is an arithmetic number, because the mean of its divisors is an integer number (3787808130).

Almost surely, 2^63254402168 is an apocalyptic number.

It is an amenable number.

63254402168 is a deficient number, since it is larger than the sum of its proper divisors (57955457992).

63254402168 is a wasteful number, since it uses less digits than its factorization.

63254402168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117287 (or 117283 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 63254402168 in words is "sixty-three billion, two hundred fifty-four million, four hundred two thousand, one hundred sixty-eight".