1066611101 has 4 divisors (see below), whose sum is σ = 1067190432. Its totient is φ = 1066031772.

The previous prime is 1066611083. The next prime is 1066611109. The reversal of 1066611101 is 1011166601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1066611101 - 2¹⁴ = 1066594717 is a prime.

It is a super-3 number, since 3×1066611101³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066611109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286895 + ... + 290588.

It is an arithmetic number, because the mean of its divisors is an integer number (266797608).

Almost surely, 2^1066611101 is an apocalyptic number.

It is an amenable number.

1066611101 is a deficient number, since it is larger than the sum of its proper divisors (579331).

1066611101 is an equidigital number, since it uses as much as digits as its factorization.

1066611101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579330.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1066611101 is about 32659.0125539643. The cubic root of 1066611101 is about 1021.7281676773.

Adding to 1066611101 its reverse (1011166601), we get a palindrome (2077777702).

The spelling of 1066611101 in words is "one billion, sixty-six million, six hundred eleven thousand, one hundred one".