1616050613 has 16 divisors (see below), whose sum is σ = 1679932656. Its totient is φ = 1553610240.

The previous prime is 1616050561. The next prime is 1616050619. The reversal of 1616050613 is 3160506161.

It can be written as a sum of positive squares in 8 ways, for example, as 672209329 + 943841284 = 25927^2 + 30722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616050613 - 2²⁶ = 1548941749 is a prime.

It is a super-2 number, since 2×1616050613² = 5223239167555351538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616050619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011131 + ... + 1012727.

It is an arithmetic number, because the mean of its divisors is an integer number (104995791).

Almost surely, 2^1616050613 is an apocalyptic number.

It is an amenable number.

1616050613 is a deficient number, since it is larger than the sum of its proper divisors (63882043).

1616050613 is a wasteful number, since it uses less digits than its factorization.

1616050613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1616050613 is about 40200.1320022708. The cubic root of 1616050613 is about 1173.5051127971.

Adding to 1616050613 its reverse (3160506161), we get a palindrome (4776556774).

The spelling of 1616050613 in words is "one billion, six hundred sixteen million, fifty thousand, six hundred thirteen".