201641516 has 12 divisors (see below), whose sum is σ = 353182200. Its totient is φ = 100732320.

The previous prime is 201641513. The next prime is 201641543. The reversal of 201641516 is 615146102.

It is not an unprimeable number, because it can be changed into a prime (201641513) 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 3 ways as a sum of consecutive naturals, for example, 16841 + ... + 26208.

It is an arithmetic number, because the mean of its divisors is an integer number (29431850).

Almost surely, 2^201641516 is an apocalyptic number.

It is an amenable number.

201641516 is a deficient number, since it is larger than the sum of its proper divisors (151540684).

201641516 is a wasteful number, since it uses less digits than its factorization.

201641516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44224 (or 44222 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 201641516 is about 14200.0533801814. The cubic root of 201641516 is about 586.3991309134.

Adding to 201641516 its reverse (615146102), we get a palindrome (816787618).

The spelling of 201641516 in words is "two hundred one million, six hundred forty-one thousand, five hundred sixteen".