201606340 has 96 divisors (see below), whose sum is σ = 493355520. Its totient is φ = 68553216.

The previous prime is 201606319. The next prime is 201606343. The reversal of 201606340 is 43606102.

It is not an unprimeable number, because it can be changed into a prime (201606343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182229 + ... + 183331.

It is an arithmetic number, because the mean of its divisors is an integer number (5139120).

Almost surely, 2^201606340 is an apocalyptic number.

201606340 is a gapful number since it is divisible by the number (20) 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 201606340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246677760).

201606340 is an abundant number, since it is smaller than the sum of its proper divisors (291749180).

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

201606340 is a wasteful number, since it uses less digits than its factorization.

201606340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 201606340 is about 14198.8147392661. The cubic root of 201606340 is about 586.3650301722.

The spelling of 201606340 in words is "two hundred one million, six hundred six thousand, three hundred forty".