655945655 has 8 divisors (see below), whose sum is σ = 787413312. Its totient is φ = 524570848.

The previous prime is 655945643. The next prime is 655945669. The reversal of 655945655 is 556549556.

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 655945655 - 2¹⁴ = 655929271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6584 + ... + 36813.

It is an arithmetic number, because the mean of its divisors is an integer number (98426664).

Almost surely, 2^655945655 is an apocalyptic number.

655945655 is a deficient number, since it is larger than the sum of its proper divisors (131467657).

655945655 is a wasteful number, since it uses less digits than its factorization.

655945655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46425.

The product of its digits is 4050000, while the sum is 50.

The square root of 655945655 is about 25611.4360198721. The cubic root of 655945655 is about 868.8723025027.

The spelling of 655945655 in words is "six hundred fifty-five million, nine hundred forty-five thousand, six hundred fifty-five".