1066641471 has 48 divisors (see below), whose sum is σ = 1815640320. Its totient is φ = 590820480.

The previous prime is 1066641463. The next prime is 1066641479. The reversal of 1066641471 is 1741466601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1066641463) and next prime (1066641479).

It is not a de Polignac number, because 1066641471 - 2³ = 1066641463 is a prime.

It is a super-3 number, since 3×1066641471³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066641479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269376 + ... + 273306.

It is an arithmetic number, because the mean of its divisors is an integer number (37825840).

Almost surely, 2^1066641471 is an apocalyptic number.

1066641471 is a deficient number, since it is larger than the sum of its proper divisors (748998849).

1066641471 is a wasteful number, since it uses less digits than its factorization.

1066641471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1066641471 is about 32659.4775065371. The cubic root of 1066641471 is about 1021.7378649293.

The spelling of 1066641471 in words is "one billion, sixty-six million, six hundred forty-one thousand, four hundred seventy-one".