659795770368 has 704 divisors, whose sum is σ = 2441150668800. Its totient is φ = 171674173440.

The previous prime is 659795770367. The next prime is 659795770393. The reversal of 659795770368 is 863077597956.

659795770368 is a `hidden beast` number, since 65 + 97 + 9 + 57 + 70 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 659795770296 and 659795770305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659795770367) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101990238 + ... + 101996706.

Almost surely, 2^659795770368 is an apocalyptic number.

659795770368 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659795770368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220575334400).

659795770368 is an abundant number, since it is smaller than the sum of its proper divisors (1781354898432).

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

659795770368 is a wasteful number, since it uses less digits than its factorization.

659795770368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553 (or 6529 counting only the distinct ones).

The product of its (nonzero) digits is 600112800, while the sum is 72.

The spelling of 659795770368 in words is "six hundred fifty-nine billion, seven hundred ninety-five million, seven hundred seventy thousand, three hundred sixty-eight".