99185664 has 88 divisors (see below), whose sum is σ = 268238880. Its totient is φ = 32579584.

The previous prime is 99185659. The next prime is 99185677. The reversal of 99185664 is 46658199.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254782 + ... + 255170.

Almost surely, 2^99185664 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 99185664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134119440).

99185664 is an abundant number, since it is smaller than the sum of its proper divisors (169053216).

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

99185664 is a wasteful number, since it uses less digits than its factorization.

99185664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 477 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 99185664 is about 9959.1999678689. The cubic root of 99185664 is about 462.8955101342.

The spelling of 99185664 in words is "ninety-nine million, one hundred eighty-five thousand, six hundred sixty-four".