659616468 has 24 divisors (see below), whose sum is σ = 1758977472. Its totient is φ = 188461824.

The previous prime is 659616467. The next prime is 659616497. The reversal of 659616468 is 864616956.

It is a happy number.

659616468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 659616468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659616467) 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, 3926205 + ... + 3926372.

It is an arithmetic number, because the mean of its divisors is an integer number (73290728).

Almost surely, 2^659616468 is an apocalyptic number.

It is an amenable number.

659616468 is an abundant number, since it is smaller than the sum of its proper divisors (1099361004).

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

659616468 is a wasteful number, since it uses less digits than its factorization.

659616468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852591 (or 7852589 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 659616468 is about 25682.9995911693. Note that the first 3 decimals coincide. The cubic root of 659616468 is about 870.4900871970.

The spelling of 659616468 in words is "six hundred fifty-nine million, six hundred sixteen thousand, four hundred sixty-eight".