201604220316 has 18 divisors (see below), whose sum is σ = 509610668112. Its totient is φ = 67201406760.

The previous prime is 201604220287. The next prime is 201604220329. The reversal of 201604220316 is 613022406102.

201604220316 is a `hidden beast` number, since 2 + 0 + 1 + 604 + 2 + 20 + 31 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 201604220316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2800058580 + ... + 2800058651.

It is an arithmetic number, because the mean of its divisors is an integer number (28311703784).

Almost surely, 2^201604220316 is an apocalyptic number.

It is an amenable number.

201604220316 is an abundant number, since it is smaller than the sum of its proper divisors (308006447796).

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

201604220316 is a wasteful number, since it uses less digits than its factorization.

201604220316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600117241 (or 5600117236 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 201604220316 its reverse (613022406102), we get a palindrome (814626626418).

The spelling of 201604220316 in words is "two hundred one billion, six hundred four million, two hundred twenty thousand, three hundred sixteen".