1161330689 has 8 divisors (see below), whose sum is σ = 1182189120. Its totient is φ = 1140511536.

The previous prime is 1161330671. The next prime is 1161330691. The reversal of 1161330689 is 9860331611.

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

It is not a de Polignac number, because 1161330689 - 2¹⁶ = 1161265153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1161330089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53459 + ... + 71975.

It is an arithmetic number, because the mean of its divisors is an integer number (147773640).

Almost surely, 2^1161330689 is an apocalyptic number.

It is an amenable number.

1161330689 is a deficient number, since it is larger than the sum of its proper divisors (20858431).

1161330689 is a wasteful number, since it uses less digits than its factorization.

1161330689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19639.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1161330689 is about 34078.3023198046. The cubic root of 1161330689 is about 1051.1191963437.

The spelling of 1161330689 in words is "one billion, one hundred sixty-one million, three hundred thirty thousand, six hundred eighty-nine".