201668347 has 8 divisors (see below), whose sum is σ = 211186944. Its totient is φ = 192212328.

The previous prime is 201668333. The next prime is 201668351. The reversal of 201668347 is 743866102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201668347 - 2²³ = 193279739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201668387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8983 + ... + 22000.

It is an arithmetic number, because the mean of its divisors is an integer number (26398368).

Almost surely, 2^201668347 is an apocalyptic number.

201668347 is a deficient number, since it is larger than the sum of its proper divisors (9518597).

201668347 is a wasteful number, since it uses less digits than its factorization.

201668347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31289.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 201668347 is about 14200.9980987253. The cubic root of 201668347 is about 586.4251390781.

The spelling of 201668347 in words is "two hundred one million, six hundred sixty-eight thousand, three hundred forty-seven".