655345810583 has 8 divisors (see below), whose sum is σ = 665236991328. Its totient is φ = 645479328384.

The previous prime is 655345810489. The next prime is 655345810589. The reversal of 655345810583 is 385018543556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655345810583 - 2¹² = 655345806487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655345810589) 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, 6121166 + ... + 6227307.

It is an arithmetic number, because the mean of its divisors is an integer number (83154623916).

Almost surely, 2^655345810583 is an apocalyptic number.

655345810583 is a deficient number, since it is larger than the sum of its proper divisors (9891180745).

655345810583 is a wasteful number, since it uses less digits than its factorization.

655345810583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12349273.

The product of its (nonzero) digits is 8640000, while the sum is 53.

The spelling of 655345810583 in words is "six hundred fifty-five billion, three hundred forty-five million, eight hundred ten thousand, five hundred eighty-three".