99999066 has 32 divisors (see below), whose sum is σ = 212984640. Its totient is φ = 31191296.

The previous prime is 99999043. The next prime is 99999073. The reversal of 99999066 is 66099999.

It is a junction number, because it is equal to n+sod(n) for n = 99998997 and 99999015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15520 + ... + 20996.

It is an arithmetic number, because the mean of its divisors is an integer number (6655770).

Almost surely, 2^99999066 is an apocalyptic number.

99999066 is an abundant number, since it is smaller than the sum of its proper divisors (112985574).

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

99999066 is a wasteful number, since it uses less digits than its factorization.

99999066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678.

The product of its (nonzero) digits is 2125764, while the sum is 57.

The square root of 99999066 is about 9999.9532998910. The cubic root of 99999066 is about 464.1574382755.

The spelling of 99999066 in words is "ninety-nine million, nine hundred ninety-nine thousand, sixty-six".