609646716 has 96 divisors (see below), whose sum is σ = 1811765760. Its totient is φ = 173664000.

The previous prime is 609646691. The next prime is 609646721. The reversal of 609646716 is 617646906.

It is a happy number.

609646716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302151 + ... + 304161.

It is an arithmetic number, because the mean of its divisors is an integer number (18872560).

Almost surely, 2^609646716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609646716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905882880).

609646716 is an abundant number, since it is smaller than the sum of its proper divisors (1202119044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609646716 is a wasteful number, since it uses less digits than its factorization.

609646716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 609646716 is about 24691.0250091000. The cubic root of 609646716 is about 847.9288517945.

The spelling of 609646716 in words is "six hundred nine million, six hundred forty-six thousand, seven hundred sixteen".