10616609 has 4 divisors (see below), whose sum is σ = 10762116. Its totient is φ = 10471104.

The previous prime is 10616597. The next prime is 10616621. The reversal of 10616609 is 90661601.

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

It is an interprime number because it is at equal distance from previous prime (10616597) and next prime (10616621).

It can be written as a sum of positive squares in 2 ways, for example, as 3610000 + 7006609 = 1900^2 + 2647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10616609 is a prime.

It is a super-2 number, since 2×10616609² = 225424773317762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10616629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72644 + ... + 72789.

It is an arithmetic number, because the mean of its divisors is an integer number (2690529).

Almost surely, 2^10616609 is an apocalyptic number.

It is an amenable number.

10616609 is a deficient number, since it is larger than the sum of its proper divisors (145507).

10616609 is an equidigital number, since it uses as much as digits as its factorization.

10616609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145506.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 10616609 is about 3258.3138277336. The cubic root of 10616609 is about 219.7835957425.

The spelling of 10616609 in words is "ten million, six hundred sixteen thousand, six hundred nine".