201264166 has 16 divisors (see below), whose sum is σ = 309499344. Its totient is φ = 98106624.

The previous prime is 201264157. The next prime is 201264179. The reversal of 201264166 is 661462102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51166 + ... + 54958.

It is an arithmetic number, because the mean of its divisors is an integer number (19343709).

Almost surely, 2^201264166 is an apocalyptic number.

201264166 is a deficient number, since it is larger than the sum of its proper divisors (108235178).

201264166 is a wasteful number, since it uses less digits than its factorization.

201264166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 201264166 is about 14186.7602362202. The cubic root of 201264166 is about 586.0331085907.

The spelling of 201264166 in words is "two hundred one million, two hundred sixty-four thousand, one hundred sixty-six".