99444666 has 8 divisors (see below), whose sum is σ = 198889344. Its totient is φ = 33148220.

The previous prime is 99444661. The next prime is 99444671. The reversal of 99444666 is 66644499.

It is an interprime number because it is at equal distance from previous prime (99444661) and next prime (99444671).

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

99444666 is an admirable number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99444661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8287050 + ... + 8287061.

It is an arithmetic number, because the mean of its divisors is an integer number (24861168).

Almost surely, 2^99444666 is an apocalyptic number.

99444666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99444666 is a wasteful number, since it uses less digits than its factorization.

99444666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574116.

The product of its digits is 1119744, while the sum is 48.

The square root of 99444666 is about 9972.1946431064. The cubic root of 99444666 is about 463.2980772419.

The spelling of 99444666 in words is "ninety-nine million, four hundred forty-four thousand, six hundred sixty-six".