99259666 has 16 divisors (see below), whose sum is σ = 162580320. Its totient is φ = 45074880.

The previous prime is 99259661. The next prime is 99259673. The reversal of 99259666 is 66695299.

It is not an unprimeable number, because it can be changed into a prime (99259661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37825 + ... + 40363.

It is an arithmetic number, because the mean of its divisors is an integer number (10161270).

Almost surely, 2^99259666 is an apocalyptic number.

99259666 is a deficient number, since it is larger than the sum of its proper divisors (63320654).

99259666 is a wasteful number, since it uses less digits than its factorization.

99259666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its digits is 1574640, while the sum is 52.

The square root of 99259666 is about 9962.9145334084. The cubic root of 99259666 is about 463.0106029694.

It can be divided in two parts, 9925 and 9666, that added together give a palindrome (19591).

The spelling of 99259666 in words is "ninety-nine million, two hundred fifty-nine thousand, six hundred sixty-six".