1161323633 has 8 divisors (see below), whose sum is σ = 1179910368. Its totient is φ = 1142846464.

The previous prime is 1161323629. The next prime is 1161323701. The reversal of 1161323633 is 3363231611.

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

It is a cyclic number.

It is not a de Polignac number, because 1161323633 - 2² = 1161323629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161323596 and 1161323605.

It is not an unprimeable number, because it can be changed into a prime (1161323623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5891 + ... + 48552.

It is an arithmetic number, because the mean of its divisors is an integer number (147488796).

Almost surely, 2^1161323633 is an apocalyptic number.

It is an amenable number.

1161323633 is a deficient number, since it is larger than the sum of its proper divisors (18586735).

1161323633 is an equidigital number, since it uses as much as digits as its factorization.

1161323633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54783.

The product of its digits is 5832, while the sum is 29.

The square root of 1161323633 is about 34078.1987933635. The cubic root of 1161323633 is about 1051.1170675466.

The spelling of 1161323633 in words is "one billion, one hundred sixty-one million, three hundred twenty-three thousand, six hundred thirty-three".