201018608 has 80 divisors (see below), whose sum is σ = 478255104. Its totient is φ = 79887360.

The previous prime is 201018569. The next prime is 201018619. The reversal of 201018608 is 806810102.

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 15 ways as a sum of consecutive naturals, for example, 134441 + ... + 135927.

Almost surely, 2^201018608 is an apocalyptic number.

201018608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201018608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239127552).

201018608 is an abundant number, since it is smaller than the sum of its proper divisors (277236496).

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

201018608 is a wasteful number, since it uses less digits than its factorization.

201018608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 201018608 is about 14178.1031171310. The cubic root of 201018608 is about 585.7946762097.

The spelling of 201018608 in words is "two hundred one million, eighteen thousand, six hundred eight".