210450668 has 6 divisors (see below), whose sum is σ = 368288676. Its totient is φ = 105225332.

The previous prime is 210450641. The next prime is 210450683. The reversal of 210450668 is 866054012.

210450668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26306330 + ... + 26306337.

It is an arithmetic number, because the mean of its divisors is an integer number (61381446).

Almost surely, 2^210450668 is an apocalyptic number.

It is an amenable number.

210450668 is a deficient number, since it is larger than the sum of its proper divisors (157838008).

210450668 is a wasteful number, since it uses less digits than its factorization.

210450668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52612671 (or 52612669 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 210450668 is about 14506.9179359366. The cubic root of 210450668 is about 594.8170875743.

The spelling of 210450668 in words is "two hundred ten million, four hundred fifty thousand, six hundred sixty-eight".