655066452623 has 16 divisors (see below), whose sum is σ = 752309600640. Its totient is φ = 564111928800.

The previous prime is 655066452587. The next prime is 655066452647. The reversal of 655066452623 is 326254660556.

It is a cyclic number.

It is not a de Polignac number, because 655066452623 - 2²⁴ = 655049675407 is a prime.

It is a super-2 number, since 2×655066452623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655066451623) 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, 1856936 + ... + 2181362.

It is an arithmetic number, because the mean of its divisors is an integer number (47019350040).

Almost surely, 2^655066452623 is an apocalyptic number.

655066452623 is a deficient number, since it is larger than the sum of its proper divisors (97243148017).

655066452623 is a wasteful number, since it uses less digits than its factorization.

655066452623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334118.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 655066452623 in words is "six hundred fifty-five billion, sixty-six million, four hundred fifty-two thousand, six hundred twenty-three".