1566066055 has 8 divisors (see below), whose sum is σ = 1879552800. Its totient is φ = 1252670496.

The previous prime is 1566066049. The next prime is 1566066077. The reversal of 1566066055 is 5506606651.

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

It is a cyclic number.

It is not a de Polignac number, because 1566066055 - 2⁵ = 1566066023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1566065999 and 1566066017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23566 + ... + 60724.

It is an arithmetic number, because the mean of its divisors is an integer number (234944100).

Almost surely, 2^1566066055 is an apocalyptic number.

1566066055 is a deficient number, since it is larger than the sum of its proper divisors (313486745).

1566066055 is an equidigital number, since it uses as much as digits as its factorization.

1566066055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45593.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 1566066055 is about 39573.5524687891. The cubic root of 1566066055 is about 1161.2793195933.

The spelling of 1566066055 in words is "one billion, five hundred sixty-six million, sixty-six thousand, fifty-five".