1066566171 has 16 divisors (see below), whose sum is σ = 1559174400. Its totient is φ = 643151520.

The previous prime is 1066566157. The next prime is 1066566173. The reversal of 1066566171 is 1716656601.

1066566171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066566171 - 2⁵ = 1066566139 is a prime.

It is a super-2 number, since 2×1066566171² = 2275126794243202482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066566173) 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, 74640 + ... + 87773.

It is an arithmetic number, because the mean of its divisors is an integer number (97448400).

Almost surely, 2^1066566171 is an apocalyptic number.

1066566171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1066566171 is a deficient number, since it is larger than the sum of its proper divisors (492608229).

1066566171 is a wasteful number, since it uses less digits than its factorization.

1066566171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162626.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1066566171 is about 32658.3246814652. The cubic root of 1066566171 is about 1021.7138210264.

The spelling of 1066566171 in words is "one billion, sixty-six million, five hundred sixty-six thousand, one hundred seventy-one".