1066196511 has 6 divisors (see below), whose sum is σ = 1540061640. Its totient is φ = 710797668.

The previous prime is 1066196489. The next prime is 1066196519. The reversal of 1066196511 is 1156916601.

It is not a de Polignac number, because 1066196511 - 2⁵ = 1066196479 is a prime.

It is a super-2 number, since 2×1066196511² = 2273550000137146242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066196519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59233131 + ... + 59233148.

It is an arithmetic number, because the mean of its divisors is an integer number (256676940).

Almost surely, 2^1066196511 is an apocalyptic number.

1066196511 is a deficient number, since it is larger than the sum of its proper divisors (473865129).

1066196511 is a wasteful number, since it uses less digits than its factorization.

1066196511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118466285 (or 118466282 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1066196511 is about 32652.6646845246. The cubic root of 1066196511 is about 1021.5957691625.

The spelling of 1066196511 in words is "one billion, sixty-six million, one hundred ninety-six thousand, five hundred eleven".