99910656 has 132 divisors (see below), whose sum is σ = 297298092. Its totient is φ = 32292864.

The previous prime is 99910651. The next prime is 99910667. The reversal of 99910656 is 65601999.

It can be written as a sum of positive squares in 2 ways, for example, as 92160000 + 7750656 = 9600^2 + 2784^2 .

It is not an unprimeable number, because it can be changed into a prime (99910651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340846 + ... + 341138.

Almost surely, 2^99910656 is an apocalyptic number.

99910656 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 99910656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148649046).

99910656 is an abundant number, since it is smaller than the sum of its proper divisors (197387436).

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

99910656 is a wasteful number, since it uses less digits than its factorization.

99910656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 99910656 is about 9995.5318017602. The cubic root of 99910656 is about 464.0206094690.

The spelling of 99910656 in words is "ninety-nine million, nine hundred ten thousand, six hundred fifty-six".