899916668 has 12 divisors (see below), whose sum is σ = 1799833392. Its totient is φ = 385678560.

The previous prime is 899916659. The next prime is 899916673. The reversal of 899916668 is 866619998.

899916668 is an admirable number.

899916668 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 899916668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16069913 + ... + 16069968.

It is an arithmetic number, because the mean of its divisors is an integer number (149986116).

Almost surely, 2^899916668 is an apocalyptic number.

It is an amenable number.

899916668 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.

899916668 is a wasteful number, since it uses less digits than its factorization.

899916668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32139892 (or 32139890 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 62.

The square root of 899916668 is about 29998.6111011827. The cubic root of 899916668 is about 965.4595851076.

The spelling of 899916668 in words is "eight hundred ninety-nine million, nine hundred sixteen thousand, six hundred sixty-eight".