1066280481 has 24 divisors (see below), whose sum is σ = 1803145344. Its totient is φ = 594440640.

The previous prime is 1066280473. The next prime is 1066280491. The reversal of 1066280481 is 1840826601.

1066280481 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 1066280481 - 2³ = 1066280473 is a prime.

It is a super-2 number, since 2×1066280481² = 2273908128323182722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066280441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203821 + ... + 208986.

It is an arithmetic number, because the mean of its divisors is an integer number (75131056).

Almost surely, 2^1066280481 is an apocalyptic number.

It is an amenable number.

1066280481 is a deficient number, since it is larger than the sum of its proper divisors (736864863).

1066280481 is a wasteful number, since it uses less digits than its factorization.

1066280481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412861 (or 412858 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1066280481 is about 32653.9504654490. The cubic root of 1066280481 is about 1021.6225875910.

The spelling of 1066280481 in words is "one billion, sixty-six million, two hundred eighty thousand, four hundred eighty-one".