655343671 has 4 divisors (see below), whose sum is σ = 656363512. Its totient is φ = 654323832.

The previous prime is 655343641. The next prime is 655343699. The reversal of 655343671 is 176343556.

655343671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 655343671 - 2⁵ = 655343639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655343641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508956 + ... + 510241.

It is an arithmetic number, because the mean of its divisors is an integer number (164090878).

Almost surely, 2^655343671 is an apocalyptic number.

655343671 is a deficient number, since it is larger than the sum of its proper divisors (1019841).

655343671 is a wasteful number, since it uses less digits than its factorization.

655343671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019840.

The product of its digits is 226800, while the sum is 40.

The square root of 655343671 is about 25599.6810722321. The cubic root of 655343671 is about 868.6064231025.

The spelling of 655343671 in words is "six hundred fifty-five million, three hundred forty-three thousand, six hundred seventy-one".