99609164 has 6 divisors (see below), whose sum is σ = 174316044. Its totient is φ = 49804580.

The previous prime is 99609163. The next prime is 99609173. The reversal of 99609164 is 46190699.

It is not an unprimeable number, because it can be changed into a prime (99609163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12451142 + ... + 12451149.

It is an arithmetic number, because the mean of its divisors is an integer number (29052674).

Almost surely, 2^99609164 is an apocalyptic number.

It is an amenable number.

99609164 is a deficient number, since it is larger than the sum of its proper divisors (74706880).

99609164 is a wasteful number, since it uses less digits than its factorization.

99609164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24902295 (or 24902293 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 99609164 is about 9980.4390684979. The cubic root of 99609164 is about 463.5533938467.

The spelling of 99609164 in words is "ninety-nine million, six hundred nine thousand, one hundred sixty-four".