655496071 has 4 divisors (see below), whose sum is σ = 655581472. Its totient is φ = 655410672.

The previous prime is 655496059. The next prime is 655496099. The reversal of 655496071 is 170694556.

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 655496071 - 2¹¹ = 655494023 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 (655491071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29910 + ... + 46963.

It is an arithmetic number, because the mean of its divisors is an integer number (163895368).

Almost surely, 2^655496071 is an apocalyptic number.

655496071 is a deficient number, since it is larger than the sum of its proper divisors (85401).

655496071 is an equidigital number, since it uses as much as digits as its factorization.

655496071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85400.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 655496071 is about 25602.6574987832. The cubic root of 655496071 is about 868.6737492830.

The spelling of 655496071 in words is "six hundred fifty-five million, four hundred ninety-six thousand, seventy-one".