1616100116 has 24 divisors (see below), whose sum is σ = 2909658024. Its totient is φ = 784939520.

The previous prime is 1616100071. The next prime is 1616100127. The reversal of 1616100116 is 6110016161.

It can be written as a sum of positive squares in 4 ways, for example, as 51897616 + 1564202500 = 7204^2 + 39550^2 .

It is a super-2 number, since 2×1616100116² = 5223559169870426912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616100091 and 1616100100.

It is a congruent 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, 17066 + ... + 59358.

It is an arithmetic number, because the mean of its divisors is an integer number (121235751).

Almost surely, 2^1616100116 is an apocalyptic number.

It is an amenable number.

1616100116 is a deficient number, since it is larger than the sum of its proper divisors (1293557908).

1616100116 is a wasteful number, since it uses less digits than its factorization.

1616100116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42571 (or 42569 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1616100116 is about 40200.7477044893. The cubic root of 1616100116 is about 1173.5170949776.

Adding to 1616100116 its reverse (6110016161), we get a palindrome (7726116277).

The spelling of 1616100116 in words is "one billion, six hundred sixteen million, one hundred thousand, one hundred sixteen".