655626002655 has 64 divisors (see below), whose sum is σ = 1170472988160. Its totient is φ = 311153342976.

The previous prime is 655626002609. The next prime is 655626002719. The reversal of 655626002655 is 556200626556.

It is not a de Polignac number, because 655626002655 - 2¹¹ = 655626000607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3546012 + ... + 3726318.

It is an arithmetic number, because the mean of its divisors is an integer number (18288640440).

Almost surely, 2^655626002655 is an apocalyptic number.

655626002655 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

655626002655 is a deficient number, since it is larger than the sum of its proper divisors (514846985505).

655626002655 is a wasteful number, since it uses less digits than its factorization.

655626002655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181000.

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 655626002655 in words is "six hundred fifty-five billion, six hundred twenty-six million, two thousand, six hundred fifty-five".