506566000655 has 16 divisors (see below), whose sum is σ = 714151789344. Its totient is φ = 340072279680.

The previous prime is 506566000651. The next prime is 506566000673. The reversal of 506566000655 is 556000665605.

It is not a de Polignac number, because 506566000655 - 2² = 506566000651 is a prime.

It is a super-2 number, since 2×506566000655² (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 (506566000651) 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, 354241244 + ... + 354242673.

It is an arithmetic number, because the mean of its divisors is an integer number (44634486834).

Almost surely, 2^506566000655 is an apocalyptic number.

506566000655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

506566000655 is a deficient number, since it is larger than the sum of its proper divisors (207585788689).

506566000655 is a wasteful number, since it uses less digits than its factorization.

506566000655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708483946.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 506566000655 in words is "five hundred six billion, five hundred sixty-six million, six hundred fifty-five", and thus it is an aban number.