99696663 has 20 divisors (see below), whose sum is σ = 162470088. Its totient is φ = 60421680.

The previous prime is 99696637. The next prime is 99696761. The reversal of 99696663 is 36669699.

It is not a de Polignac number, because 99696663 - 2⁶ = 99696599 is a prime.

It is a super-2 number, since 2×99696663² = 19878849226671138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99696563) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55056 + ... + 56837.

Almost surely, 2^99696663 is an apocalyptic number.

99696663 is a deficient number, since it is larger than the sum of its proper divisors (62773425).

99696663 is a wasteful number, since it uses less digits than its factorization.

99696663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111916 (or 111907 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 99696663 is about 9984.8216308555. The cubic root of 99696663 is about 463.6890861403.

The spelling of 99696663 in words is "ninety-nine million, six hundred ninety-six thousand, six hundred sixty-three".