2604121216 has 32 divisors (see below), whose sum is σ = 5190442380. Its totient is φ = 1301422080.

The previous prime is 2604121213. The next prime is 2604121229. The reversal of 2604121216 is 6121214062.

It is a happy number.

2604121216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2470487616 + 133633600 = 49704^2 + 11560^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2604121213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362136 + ... + 369256.

Almost surely, 2^2604121216 is an apocalyptic number.

It is an amenable number.

2604121216 is a deficient number, since it is larger than the sum of its proper divisors (2586321164).

2604121216 is an equidigital number, since it uses as much as digits as its factorization.

2604121216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992 (or 9980 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2604121216 is about 51030.5909822726. The cubic root of 2604121216 is about 1375.7950163371.

Adding to 2604121216 its reverse (6121214062), we get a palindrome (8725335278).

The spelling of 2604121216 in words is "two billion, six hundred four million, one hundred twenty-one thousand, two hundred sixteen".