1161566006 has 4 divisors (see below), whose sum is σ = 1742349012. Its totient is φ = 580783002.

The previous prime is 1161565949. The next prime is 1161566027. The reversal of 1161566006 is 6006651611.

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

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 as a sum of consecutive naturals, namely, 290391500 + ... + 290391503.

It is an arithmetic number, because the mean of its divisors is an integer number (435587253).

Almost surely, 2^1161566006 is an apocalyptic number.

1161566006 is a deficient number, since it is larger than the sum of its proper divisors (580783006).

1161566006 is an equidigital number, since it uses as much as digits as its factorization.

1161566006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580783005.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1161566006 is about 34081.7547376892. The cubic root of 1161566006 is about 1051.1901866062.

The spelling of 1161566006 in words is "one billion, one hundred sixty-one million, five hundred sixty-six thousand, six".