2601604016 has 40 divisors (see below), whose sum is σ = 5502022848. Its totient is φ = 1181864000.

The previous prime is 2601604009. The next prime is 2601604039. The reversal of 2601604016 is 6104061062.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421271 + ... + 427401.

Almost surely, 2^2601604016 is an apocalyptic number.

It is an amenable number.

2601604016 is an abundant number, since it is smaller than the sum of its proper divisors (2900418832).

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

2601604016 is a wasteful number, since it uses less digits than its factorization.

2601604016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561 (or 8555 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2601604016 is about 51005.9213817376. The cubic root of 2601604016 is about 1375.3515823365.

Adding to 2601604016 its reverse (6104061062), we get a palindrome (8705665078).

The spelling of 2601604016 in words is "two billion, six hundred one million, six hundred four thousand, sixteen".