201057216 has 28 divisors (see below), whose sum is σ = 531964392. Its totient is φ = 67019008.

The previous prime is 201057193. The next prime is 201057229. The reversal of 201057216 is 612750102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523395 + ... + 523778.

Almost surely, 2^201057216 is an apocalyptic number.

It is an amenable number.

201057216 is an abundant number, since it is smaller than the sum of its proper divisors (330907176).

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

201057216 is a wasteful number, since it uses less digits than its factorization.

201057216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047188 (or 1047178 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 201057216 is about 14179.4645879173. The cubic root of 201057216 is about 585.8321767399.

The spelling of 201057216 in words is "two hundred one million, fifty-seven thousand, two hundred sixteen".