655119680 has 28 divisors (see below), whose sum is σ = 1560004500. Its totient is φ = 262047744.

The previous prime is 655119671. The next prime is 655119719. The reversal of 655119680 is 86911556.

It can be written as a sum of positive squares in 2 ways, for example, as 417466624 + 237653056 = 20432^2 + 15416^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023305 + ... + 1023944.

Almost surely, 2^655119680 is an apocalyptic number.

It is an amenable number.

655119680 is an abundant number, since it is smaller than the sum of its proper divisors (904884820).

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

655119680 is a wasteful number, since it uses less digits than its factorization.

655119680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047266 (or 2047256 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 655119680 is about 25595.3058196225. The cubic root of 655119680 is about 868.5074510158.

The spelling of 655119680 in words is "six hundred fifty-five million, one hundred nineteen thousand, six hundred eighty".