63229668552 has 160 divisors (see below), whose sum is σ = 187407665280. Its totient is φ = 19875905280.

The previous prime is 63229668547. The next prime is 63229668553. The reversal of 63229668552 is 25586692236.

63229668552 is a `hidden beast` number, since 6 + 3 + 2 + 29 + 6 + 68 + 552 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (63229668553) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1028308 + ... + 1088060.

It is an arithmetic number, because the mean of its divisors is an integer number (1171297908).

Almost surely, 2^63229668552 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 63229668552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93703832640).

63229668552 is an abundant number, since it is smaller than the sum of its proper divisors (124177996728).

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

63229668552 is a wasteful number, since it uses less digits than its factorization.

63229668552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59865 (or 59852 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 63229668552 in words is "sixty-three billion, two hundred twenty-nine million, six hundred sixty-eight thousand, five hundred fifty-two".