1161106566 has 16 divisors (see below), whose sum is σ = 2322658800. Its totient is φ = 386961248.

The previous prime is 1161106559. The next prime is 1161106601. The reversal of 1161106566 is 6656011611.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22180 + ... + 53048.

It is an arithmetic number, because the mean of its divisors is an integer number (145166175).

Almost surely, 2^1161106566 is an apocalyptic number.

1161106566 is an abundant number, since it is smaller than the sum of its proper divisors (1161552234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161106566 is a wasteful number, since it uses less digits than its factorization.

1161106566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37143.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1161106566 is about 34075.0138077742. The cubic root of 1161106566 is about 1051.0515741621.

The spelling of 1161106566 in words is "one billion, one hundred sixty-one million, one hundred six thousand, five hundred sixty-six".