201615605332 has 72 divisors (see below), whose sum is σ = 373467112200. Its totient is φ = 95221589760.

The previous prime is 201615605299. The next prime is 201615605333. The reversal of 201615605332 is 233506516102.

It can be written as a sum of positive squares in 4 ways, for example, as 9217296 + 201606388036 = 3036^2 + 449006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201615605333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57064638 + ... + 57068170.

It is an arithmetic number, because the mean of its divisors is an integer number (5187043225).

Almost surely, 2^201615605332 is an apocalyptic number.

It is an amenable number.

201615605332 is a deficient number, since it is larger than the sum of its proper divisors (171851506868).

201615605332 is a wasteful number, since it uses less digits than its factorization.

201615605332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 201615605332 in words is "two hundred one billion, six hundred fifteen million, six hundred five thousand, three hundred thirty-two".