99566544 has 240 divisors, whose sum is σ = 337756160. Its totient is φ = 24710400.

The previous prime is 99566527. The next prime is 99566549. The reversal of 99566544 is 44566599.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (1166400) is a multiple of the sum of its prime factors (150).

It is a junction number, because it is equal to n+sod(n) for n = 99566493 and 99566502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99566549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1260297 + ... + 1260375.

Almost surely, 2^99566544 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 99566544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168878080).

99566544 is an abundant number, since it is smaller than the sum of its proper divisors (238189616).

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

99566544 is a wasteful number, since it uses less digits than its factorization.

99566544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 133 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 99566544 is about 9978.3036634490. The cubic root of 99566544 is about 463.4872705327.

Subtracting from 99566544 its reverse (44566599), we obtain a palindrome (54999945).

The spelling of 99566544 in words is "ninety-nine million, five hundred sixty-six thousand, five hundred forty-four".