63953618148 has 96 divisors (see below), whose sum is σ = 189685637120. Its totient is φ = 18253810080.

The previous prime is 63953618137. The next prime is 63953618149. The reversal of 63953618148 is 84181635936.

63953618148 is a `hidden beast` number, since 6 + 3 + 9 + 5 + 3 + 618 + 14 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 63953618094 and 63953618103.

It is not an unprimeable number, because it can be changed into a prime (63953618149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706515 + ... + 791877.

Almost surely, 2^63953618148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63953618148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94842818560).

63953618148 is an abundant number, since it is smaller than the sum of its proper divisors (125732018972).

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

63953618148 is a wasteful number, since it uses less digits than its factorization.

63953618148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86374 (or 86366 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 63953618148 in words is "sixty-three billion, nine hundred fifty-three million, six hundred eighteen thousand, one hundred forty-eight".