655889461191 has 12 divisors (see below), whose sum is σ = 951359891040. Its totient is φ = 435430101120.

The previous prime is 655889461111. The next prime is 655889461223. The reversal of 655889461191 is 191164988556.

655889461191 is a `hidden beast` number, since 6 + 5 + 5 + 8 + 8 + 9 + 4 + 611 + 9 + 1 = 666.

It is not a de Polignac number, because 655889461191 - 2¹⁴ = 655889444807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655889461111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152459370 + ... + 152463671.

It is an arithmetic number, because the mean of its divisors is an integer number (79279990920).

Almost surely, 2^655889461191 is an apocalyptic number.

655889461191 is a deficient number, since it is larger than the sum of its proper divisors (295470429849).

655889461191 is a wasteful number, since it uses less digits than its factorization.

655889461191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304923286 (or 304923283 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 63.

The spelling of 655889461191 in words is "six hundred fifty-five billion, eight hundred eighty-nine million, four hundred sixty-one thousand, one hundred ninety-one".