99611648 has 44 divisors (see below), whose sum is σ = 201547620. Its totient is φ = 49201152.

The previous prime is 99611641. The next prime is 99611663. The reversal of 99611648 is 84611699.

It can be written as a sum of positive squares in 2 ways, for example, as 66064384 + 33547264 = 8128^2 + 5792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99611599 and 99611608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99611641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90590 + ... + 91682.

Almost surely, 2^99611648 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 99611648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100773810).

99611648 is an abundant number, since it is smaller than the sum of its proper divisors (101935972).

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

99611648 is a wasteful number, since it uses less digits than its factorization.

99611648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1184 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 99611648 is about 9980.5635111450. The cubic root of 99611648 is about 463.5572470968.

The spelling of 99611648 in words is "ninety-nine million, six hundred eleven thousand, six hundred forty-eight".