566566611545 has 16 divisors (see below), whose sum is σ = 741742235712. Its totient is φ = 412017869760.

The previous prime is 566566611539. The next prime is 566566611557. The reversal of 566566611545 is 545116665665.

It is not a de Polignac number, because 566566611545 - 2¹⁰ = 566566610521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379439 + ... + 1130091.

It is an arithmetic number, because the mean of its divisors is an integer number (46358889732).

Almost surely, 2^566566611545 is an apocalyptic number.

566566611545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

566566611545 is a deficient number, since it is larger than the sum of its proper divisors (175175624167).

566566611545 is a wasteful number, since it uses less digits than its factorization.

566566611545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764392.

The product of its digits is 19440000, while the sum is 56.

The spelling of 566566611545 in words is "five hundred sixty-six billion, five hundred sixty-six million, six hundred eleven thousand, five hundred forty-five".