2616606609 has 8 divisors (see below), whose sum is σ = 3489198720. Its totient is φ = 1744209456.

The previous prime is 2616606583. The next prime is 2616606613. The reversal of 2616606609 is 9066066162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2616606609 - 2⁷ = 2616606481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2616606659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13854 + ... + 73655.

It is an arithmetic number, because the mean of its divisors is an integer number (436149840).

Almost surely, 2^2616606609 is an apocalyptic number.

It is an amenable number.

2616606609 is a deficient number, since it is larger than the sum of its proper divisors (872592111).

2616606609 is an equidigital number, since it uses as much as digits as its factorization.

2616606609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97479.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 2616606609 is about 51152.7771386852. Note that the first 3 decimals coincide. The cubic root of 2616606609 is about 1377.9902498181.

The spelling of 2616606609 in words is "two billion, six hundred sixteen million, six hundred six thousand, six hundred nine".