1613316604 has 12 divisors (see below), whose sum is σ = 2850715504. Its totient is φ = 798826464.

The previous prime is 1613316589. The next prime is 1613316631. The reversal of 1613316604 is 4066133161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957497 + ... + 1958320.

Almost surely, 2^1613316604 is an apocalyptic number.

It is an amenable number.

1613316604 is a deficient number, since it is larger than the sum of its proper divisors (1237398900).

1613316604 is a wasteful number, since it uses less digits than its factorization.

1613316604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915924 (or 3915922 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1613316604 is about 40166.1126324169. The cubic root of 1613316604 is about 1172.8429667585.

Adding to 1613316604 its reverse (4066133161), we get a palindrome (5679449765).

The spelling of 1613316604 in words is "one billion, six hundred thirteen million, three hundred sixteen thousand, six hundred four".