1161330963 has 16 divisors (see below), whose sum is σ = 1669441536. Its totient is φ = 713855520.

The previous prime is 1161330893. The next prime is 1161330967. The reversal of 1161330963 is 3690331611.

It is a de Polignac number, because none of the positive numbers 2^k-1161330963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1161330967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18958 + ... + 51788.

It is an arithmetic number, because the mean of its divisors is an integer number (104340096).

Almost surely, 2^1161330963 is an apocalyptic number.

1161330963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1161330963 is a deficient number, since it is larger than the sum of its proper divisors (508110573).

1161330963 is a wasteful number, since it uses less digits than its factorization.

1161330963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33754.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 1161330963 is about 34078.3063399577. The cubic root of 1161330963 is about 1051.1192790094.

The spelling of 1161330963 in words is "one billion, one hundred sixty-one million, three hundred thirty thousand, nine hundred sixty-three".