900066666 has 32 divisors (see below), whose sum is σ = 1923860160. Its totient is φ = 279731456.

The previous prime is 900066647. The next prime is 900066697. The reversal of 900066666 is 666660009.

900066666 is a modest number, since divided by 66666 gives 9000 as remainder.

It is a Curzon number.

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, 30321 + ... + 52148.

It is an arithmetic number, because the mean of its divisors is an integer number (60120630).

Almost surely, 2^900066666 is an apocalyptic number.

900066666 is an abundant number, since it is smaller than the sum of its proper divisors (1023793494).

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

900066666 is a wasteful number, since it uses less digits than its factorization.

900066666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82598.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 900066666 is about 30001.1110794250. Note that the first 3 decimals coincide. The cubic root of 900066666 is about 965.5132230227.

The spelling of 900066666 in words is "nine hundred million, sixty-six thousand, six hundred sixty-six".