1616613074 has 12 divisors (see below), whose sum is σ = 2434181694. Its totient is φ = 805222704.

The previous prime is 1616613041. The next prime is 1616613077. The reversal of 1616613074 is 4703166161.

It can be written as a sum of positive squares in only one way, i.e., 1614030625 + 2582449 = 40175^2 + 1607^2 .

It is a super-2 number, since 2×1616613074² = 5226875662055458952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616613077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1005179 + ... + 1006785.

Almost surely, 2^1616613074 is an apocalyptic number.

1616613074 is a deficient number, since it is larger than the sum of its proper divisors (817568620).

1616613074 is an frugal number, since it uses more digits than its factorization.

1616613074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1616613074 is about 40207.1271542745. The cubic root of 1616613074 is about 1173.6412418458.

The spelling of 1616613074 in words is "one billion, six hundred sixteen million, six hundred thirteen thousand, seventy-four".