1161071066 has 8 divisors (see below), whose sum is σ = 1844054100. Its totient is φ = 546386368.

The previous prime is 1161071003. The next prime is 1161071077. The reversal of 1161071066 is 6601701611.

It can be written as a sum of positive squares in 2 ways, for example, as 1041933841 + 119137225 = 32279^2 + 10915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17074541 + ... + 17074608.

Almost surely, 2^1161071066 is an apocalyptic number.

1161071066 is a deficient number, since it is larger than the sum of its proper divisors (682983034).

1161071066 is a wasteful number, since it uses less digits than its factorization.

1161071066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34149168.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1161071066 is about 34074.4928942457. The cubic root of 1161071066 is about 1051.0408623371.

Adding to 1161071066 its reverse (6601701611), we get a palindrome (7762772677).

The spelling of 1161071066 in words is "one billion, one hundred sixty-one million, seventy-one thousand, sixty-six".