201455716 has 48 divisors (see below), whose sum is σ = 441947520. Its totient is φ = 78059520.

The previous prime is 201455687. The next prime is 201455717. The reversal of 201455716 is 617554102.

It is not an unprimeable number, because it can be changed into a prime (201455717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57750 + ... + 61138.

It is an arithmetic number, because the mean of its divisors is an integer number (9207240).

Almost surely, 2^201455716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201455716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220973760).

201455716 is an abundant number, since it is smaller than the sum of its proper divisors (240491804).

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

201455716 is a wasteful number, since it uses less digits than its factorization.

201455716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 201455716 is about 14193.5096434955. The cubic root of 201455716 is about 586.2189655680.

The spelling of 201455716 in words is "two hundred one million, four hundred fifty-five thousand, seven hundred sixteen".