905618668 has 6 divisors (see below), whose sum is σ = 1584832676. Its totient is φ = 452809332.

The previous prime is 905618663. The next prime is 905618677. The reversal of 905618668 is 866816509.

It is not an unprimeable number, because it can be changed into a prime (905618663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113202330 + ... + 113202337.

Almost surely, 2^905618668 is an apocalyptic number.

It is an amenable number.

905618668 is a deficient number, since it is larger than the sum of its proper divisors (679214008).

905618668 is a wasteful number, since it uses less digits than its factorization.

905618668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226404671 (or 226404669 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 905618668 is about 30093.4987663449. The cubic root of 905618668 is about 967.4943899503.

The spelling of 905618668 in words is "nine hundred five million, six hundred eighteen thousand, six hundred sixty-eight".