655599005 has 24 divisors (see below), whose sum is σ = 830497536. Its totient is φ = 496590240.

The previous prime is 655598987. The next prime is 655599053. The reversal of 655599005 is 500995556.

It is not a de Polignac number, because 655599005 - 2²⁸ = 387163549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224384 + ... + 227286.

It is an arithmetic number, because the mean of its divisors is an integer number (34604064).

Almost surely, 2^655599005 is an apocalyptic number.

It is an amenable number.

655599005 is a deficient number, since it is larger than the sum of its proper divisors (174898531).

655599005 is a wasteful number, since it uses less digits than its factorization.

655599005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 655599005 is about 25604.6676408814. The cubic root of 655599005 is about 868.7192168241.

The spelling of 655599005 in words is "six hundred fifty-five million, five hundred ninety-nine thousand, five".