99664163 has 8 divisors (see below), whose sum is σ = 103574400. Its totient is φ = 95797440.

The previous prime is 99664091. The next prime is 99664171. The reversal of 99664163 is 36146699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99664163 - 2²² = 95469859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99664193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170 + ... + 15407.

It is an arithmetic number, because the mean of its divisors is an integer number (12946800).

Almost surely, 2^99664163 is an apocalyptic number.

99664163 is a deficient number, since it is larger than the sum of its proper divisors (3910237).

99664163 is a wasteful number, since it uses less digits than its factorization.

99664163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21757.

The product of its digits is 209952, while the sum is 44.

The square root of 99664163 is about 9983.1940279652. The cubic root of 99664163 is about 463.6386948411.

The spelling of 99664163 in words is "ninety-nine million, six hundred sixty-four thousand, one hundred sixty-three".