99868416 has 72 divisors (see below), whose sum is σ = 268458960. Its totient is φ = 32956416.

The previous prime is 99868411. The next prime is 99868451. The reversal of 99868416 is 61486899.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99868411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83116 + ... + 84308.

Almost surely, 2^99868416 is an apocalyptic number.

99868416 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99868416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134229480).

99868416 is an abundant number, since it is smaller than the sum of its proper divisors (168590544).

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

99868416 is a wasteful number, since it uses less digits than its factorization.

99868416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1307 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 99868416 is about 9993.4186342813. The cubic root of 99868416 is about 463.9552077253.

The spelling of 99868416 in words is "ninety-nine million, eight hundred sixty-eight thousand, four hundred sixteen".