201345166 has 32 divisors (see below), whose sum is σ = 349557120. Its totient is φ = 86018400.

The previous prime is 201345143. The next prime is 201345181. The reversal of 201345166 is 661543102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52920 + ... + 56596.

It is an arithmetic number, because the mean of its divisors is an integer number (10923660).

Almost surely, 2^201345166 is an apocalyptic number.

201345166 is a deficient number, since it is larger than the sum of its proper divisors (148211954).

201345166 is a wasteful number, since it uses less digits than its factorization.

201345166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 201345166 is about 14189.6147234518. The cubic root of 201345166 is about 586.1117155879. Note that the first 3 decimals are identical.

Adding to 201345166 its reverse (661543102), we get a palindrome (862888268).

The spelling of 201345166 in words is "two hundred one million, three hundred forty-five thousand, one hundred sixty-six".