99641466 has 12 divisors (see below), whose sum is σ = 215889882. Its totient is φ = 33213816.

The previous prime is 99641441. The next prime is 99641467. The reversal of 99641466 is 66414699.

It can be written as a sum of positive squares in only one way, i.e., 89586225 + 10055241 = 9465^2 + 3171^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99641467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2767801 + ... + 2767836.

Almost surely, 2^99641466 is an apocalyptic number.

99641466 is an abundant number, since it is smaller than the sum of its proper divisors (116248416).

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

99641466 is a wasteful number, since it uses less digits than its factorization.

99641466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535645 (or 5535642 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 99641466 is about 9982.0572028014. The cubic root of 99641466 is about 463.6034966111.

The spelling of 99641466 in words is "ninety-nine million, six hundred forty-one thousand, four hundred sixty-six".