655655061 has 8 divisors (see below), whose sum is σ = 876849184. Its totient is φ = 435782160.

The previous prime is 655655057. The next prime is 655655069. The reversal of 655655061 is 160556556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 655655061 - 2² = 655655057 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 (655655069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329146 + ... + 331131.

It is an arithmetic number, because the mean of its divisors is an integer number (109606148).

Almost surely, 2^655655061 is an apocalyptic number.

It is an amenable number.

655655061 is a deficient number, since it is larger than the sum of its proper divisors (221194123).

655655061 is a wasteful number, since it uses less digits than its factorization.

655655061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660611.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 655655061 is about 25605.7622616473. The cubic root of 655655061 is about 868.7439756255.

The spelling of 655655061 in words is "six hundred fifty-five million, six hundred fifty-five thousand, sixty-one".