1066913583 has 16 divisors (see below), whose sum is σ = 1455943680. Its totient is φ = 694644896.

The previous prime is 1066913539. The next prime is 1066913597. The reversal of 1066913583 is 3853196601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1066913583 - 2¹⁴ = 1066897199 is a prime.

It is a super-2 number, since 2×1066913583² = 2276609187179795778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066913503) 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, 59641 + ... + 75437.

It is an arithmetic number, because the mean of its divisors is an integer number (90996480).

Almost surely, 2^1066913583 is an apocalyptic number.

1066913583 is a deficient number, since it is larger than the sum of its proper divisors (389030097).

1066913583 is a wasteful number, since it uses less digits than its factorization.

1066913583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16326.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1066913583 is about 32663.6431372864. The cubic root of 1066913583 is about 1021.8247430735.

The spelling of 1066913583 in words is "one billion, sixty-six million, nine hundred thirteen thousand, five hundred eighty-three".