1066013653 has 4 divisors (see below), whose sum is σ = 1092014028. Its totient is φ = 1040013280.

The previous prime is 1066013651. The next prime is 1066013659. The reversal of 1066013653 is 3563106601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135885649 + 930128004 = 11657^2 + 30498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066013653 - 2¹ = 1066013651 is a prime.

It is a super-2 number, since 2×1066013653² = 2272770216764808818, which contains 22 as substring.

It is a Duffinian number.

1066013653 is a modest number, since divided by 13653 gives 1066 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066013651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13000126 + ... + 13000207.

It is an arithmetic number, because the mean of its divisors is an integer number (273003507).

Almost surely, 2^1066013653 is an apocalyptic number.

It is an amenable number.

1066013653 is a deficient number, since it is larger than the sum of its proper divisors (26000375).

1066013653 is an equidigital number, since it uses as much as digits as its factorization.

1066013653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26000374.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1066013653 is about 32649.8645173299. The cubic root of 1066013653 is about 1021.5373629063.

The spelling of 1066013653 in words is "one billion, sixty-six million, thirteen thousand, six hundred fifty-three".