99663552 has 84 divisors (see below), whose sum is σ = 289809936. Its totient is φ = 32739840.

The previous prime is 99663539. The next prime is 99663563. The reversal of 99663552 is 25536699.

99663552 is a `hidden beast` number, since 9 + 9 + 6 + 635 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 99663498 and 99663507.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39678 + ... + 42114.

Almost surely, 2^99663552 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 99663552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144904968).

99663552 is an abundant number, since it is smaller than the sum of its proper divisors (190146384).

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

99663552 is a wasteful number, since it uses less digits than its factorization.

99663552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526 (or 2513 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 99663552 is about 9983.1634264896. The cubic root of 99663552 is about 463.6377473797.

The spelling of 99663552 in words is "ninety-nine million, six hundred sixty-three thousand, five hundred fifty-two".