201016728 has 80 divisors (see below), whose sum is σ = 614239560. Its totient is φ = 60912000.

The previous prime is 201016709. The next prime is 201016733. The reversal of 201016728 is 827610102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6973 + ... + 21228.

Almost surely, 2^201016728 is an apocalyptic number.

It is an amenable number.

201016728 is an abundant number, since it is smaller than the sum of its proper divisors (413222832).

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

201016728 is a wasteful number, since it uses less digits than its factorization.

201016728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28230 (or 28217 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 201016728 is about 14178.0368175569. The cubic root of 201016728 is about 585.7928500149.

The spelling of 201016728 in words is "two hundred one million, sixteen thousand, seven hundred twenty-eight".