1166506066 has 24 divisors (see below), whose sum is σ = 1964229120. Its totient is φ = 518943480.

The previous prime is 1166506057. The next prime is 1166506093. The reversal of 1166506066 is 6606056611.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39906 + ... + 62653.

It is an arithmetic number, because the mean of its divisors is an integer number (81842880).

Almost surely, 2^1166506066 is an apocalyptic number.

1166506066 is a deficient number, since it is larger than the sum of its proper divisors (797723054).

1166506066 is a wasteful number, since it uses less digits than its factorization.

1166506066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102630 (or 102619 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1166506066 is about 34154.1515192517. The cubic root of 1166506066 is about 1052.6782920802.

The spelling of 1166506066 in words is "one billion, one hundred sixty-six million, five hundred six thousand, sixty-six".