655296768 has 216 divisors, whose sum is σ = 2214191616. Its totient is φ = 182476800.

The previous prime is 655296767. The next prime is 655296781. The reversal of 655296768 is 867692556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (655296767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660753 + ... + 661743.

Almost surely, 2^655296768 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 655296768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107095808).

655296768 is an abundant number, since it is smaller than the sum of its proper divisors (1558894848).

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

655296768 is a wasteful number, since it uses less digits than its factorization.

655296768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1044 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 655296768 is about 25598.7649702090. The cubic root of 655296768 is about 868.5857005306.

The spelling of 655296768 in words is "six hundred fifty-five million, two hundred ninety-six thousand, seven hundred sixty-eight".