201051366 has 48 divisors (see below), whose sum is σ = 417768960. Its totient is φ = 64490400.

The previous prime is 201051329. The next prime is 201051371. The reversal of 201051366 is 663150102.

201051366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1331391 + ... + 1331541.

It is an arithmetic number, because the mean of its divisors is an integer number (8703520).

Almost surely, 2^201051366 is an apocalyptic number.

201051366 is an abundant number, since it is smaller than the sum of its proper divisors (216717594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201051366 is a wasteful number, since it uses less digits than its factorization.

201051366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 201051366 is about 14179.2583021821. The cubic root of 201051366 is about 585.8264948556.

The spelling of 201051366 in words is "two hundred one million, fifty-one thousand, three hundred sixty-six".