63678006169 has 8 divisors (see below), whose sum is σ = 64536624000. Its totient is φ = 62820702672.

The previous prime is 63678006163. The next prime is 63678006199. The reversal of 63678006169 is 96160087636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-63678006169 is a prime.

It is a super-2 number, since 2×63678006169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63678006163) by changing a digit.

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, 230839 + ... + 425020.

It is an arithmetic number, because the mean of its divisors is an integer number (8067078000).

Almost surely, 2^63678006169 is an apocalyptic number.

It is an amenable number.

63678006169 is a deficient number, since it is larger than the sum of its proper divisors (858617831).

63678006169 is a wasteful number, since it uses less digits than its factorization.

63678006169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657167.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 63678006169 in words is "sixty-three billion, six hundred seventy-eight million, six thousand, one hundred sixty-nine".