655506650342643 has 16 divisors (see below), whose sum is σ = 954911053641600. Its totient is φ = 396673909882880.

The previous prime is 655506650342573. The next prime is 655506650342647. The reversal of 655506650342643 is 346243056605556.

It is a cyclic number.

It is not a de Polignac number, because 655506650342643 - 2¹⁶ = 655506650277107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655506650342647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15071175438 + ... + 15071218931.

It is an arithmetic number, because the mean of its divisors is an integer number (59681940852600).

Almost surely, 2^{655506650342643} is an apocalyptic number.

655506650342643 is a deficient number, since it is larger than the sum of its proper divisors (299404403298957).

655506650342643 is a wasteful number, since it uses less digits than its factorization.

655506650342643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30142395042.

The product of its (nonzero) digits is 233280000, while the sum is 60.

The spelling of 655506650342643 in words is "six hundred fifty-five trillion, five hundred six billion, six hundred fifty million, three hundred forty-two thousand, six hundred forty-three".