7616664609 has 8 divisors (see below), whose sum is σ = 10347167232. Its totient is φ = 4981969200.

The previous prime is 7616664593. The next prime is 7616664611. The reversal of 7616664609 is 9064666167.

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

It is not a de Polignac number, because 7616664609 - 2⁴ = 7616664593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7616664619) 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, 23951617 + ... + 23951934.

It is an arithmetic number, because the mean of its divisors is an integer number (1293395904).

Almost surely, 2^7616664609 is an apocalyptic number.

It is an amenable number.

7616664609 is a deficient number, since it is larger than the sum of its proper divisors (2730502623).

7616664609 is a wasteful number, since it uses less digits than its factorization.

7616664609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47903607.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 7616664609 is about 87273.5046219642. The cubic root of 7616664609 is about 1967.5311225485.

The spelling of 7616664609 in words is "seven billion, six hundred sixteen million, six hundred sixty-four thousand, six hundred nine".