201066603 has 8 divisors (see below), whose sum is σ = 269797008. Its totient is φ = 133190304.

The previous prime is 201066571. The next prime is 201066629. The reversal of 201066603 is 306660102.

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

It is not a de Polignac number, because 201066603 - 2⁵ = 201066571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201066643) 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, 212976 + ... + 213917.

It is an arithmetic number, because the mean of its divisors is an integer number (33724626).

Almost surely, 2^201066603 is an apocalyptic number.

201066603 is a deficient number, since it is larger than the sum of its proper divisors (68730405).

201066603 is a wasteful number, since it uses less digits than its factorization.

201066603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427053.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 201066603 is about 14179.7955909103. The cubic root of 201066603 is about 585.8412937484.

The spelling of 201066603 in words is "two hundred one million, sixty-six thousand, six hundred three".