201668704 has 12 divisors (see below), whose sum is σ = 397035324. Its totient is φ = 100834336.

The previous prime is 201668693. The next prime is 201668707. The reversal of 201668704 is 407866102.

It is a self number, because there is not a number n which added to its sum of digits gives 201668704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201668707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151042 + ... + 3151105.

It is an arithmetic number, because the mean of its divisors is an integer number (33086277).

Almost surely, 2^201668704 is an apocalyptic number.

It is an amenable number.

201668704 is a deficient number, since it is larger than the sum of its proper divisors (195366620).

201668704 is an equidigital number, since it uses as much as digits as its factorization.

201668704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302157 (or 6302149 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 201668704 is about 14201.0106682588. The cubic root of 201668704 is about 586.4254851143.

The spelling of 201668704 in words is "two hundred one million, six hundred sixty-eight thousand, seven hundred four".