659079648 has 36 divisors (see below), whose sum is σ = 1874258568. Its totient is φ = 219693120.

The previous prime is 659079643. The next prime is 659079649. The reversal of 659079648 is 846970956.

659079648 is a `hidden beast` number, since 6 + 590 + 7 + 9 + 6 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 659079594 and 659079603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659079643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1143948 + ... + 1144523.

It is an arithmetic number, because the mean of its divisors is an integer number (52062738).

Almost surely, 2^659079648 is an apocalyptic number.

It is an amenable number.

659079648 is an abundant number, since it is smaller than the sum of its proper divisors (1215178920).

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

659079648 is a wasteful number, since it uses less digits than its factorization.

659079648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288487 (or 2288476 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 659079648 is about 25672.5465819034. The cubic root of 659079648 is about 870.2538775528.

The spelling of 659079648 in words is "six hundred fifty-nine million, seventy-nine thousand, six hundred forty-eight".