655823841 has 16 divisors (see below), whose sum is σ = 926748864. Its totient is φ = 411106304.

The previous prime is 655823837. The next prime is 655823849. The reversal of 655823841 is 148328556.

655823841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 655823841 - 2² = 655823837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655823793 and 655823802.

It is not an unprimeable number, because it can be changed into a prime (655823849) 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, 53785 + ... + 64841.

It is an arithmetic number, because the mean of its divisors is an integer number (57921804).

Almost surely, 2^655823841 is an apocalyptic number.

It is an amenable number.

655823841 is a deficient number, since it is larger than the sum of its proper divisors (270925023).

655823841 is a wasteful number, since it uses less digits than its factorization.

655823841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12240.

The product of its digits is 230400, while the sum is 42.

The square root of 655823841 is about 25609.0577921172. The cubic root of 655823841 is about 868.8185138174.

The spelling of 655823841 in words is "six hundred fifty-five million, eight hundred twenty-three thousand, eight hundred forty-one".