15616000613 has 4 divisors (see below), whose sum is σ = 15910642188. Its totient is φ = 15321359040.

The previous prime is 15616000597. The next prime is 15616000619. The reversal of 15616000613 is 31600061651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3931039204 + 11684961409 = 62698^2 + 108097^2 .

It is a cyclic number.

It is not a de Polignac number, because 15616000613 - 2⁴ = 15616000597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15616000619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147320708 + ... + 147320813.

It is an arithmetic number, because the mean of its divisors is an integer number (3977660547).

Almost surely, 2^15616000613 is an apocalyptic number.

It is an amenable number.

15616000613 is a deficient number, since it is larger than the sum of its proper divisors (294641575).

15616000613 is an equidigital number, since it uses as much as digits as its factorization.

15616000613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294641574.

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

The spelling of 15616000613 in words is "fifteen billion, six hundred sixteen million, six hundred thirteen", and thus it is an aban number.