1161066033 has 12 divisors (see below), whose sum is σ = 1731195648. Its totient is φ = 749074680.

The previous prime is 1161066007. The next prime is 1161066037. The reversal of 1161066033 is 3306601611.

It is a happy number.

1161066033 is a `hidden beast` number, since 11 + 610 + 6 + 6 + 0 + 33 = 666.

It is not a de Polignac number, because 1161066033 - 2²⁵ = 1127511601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1161065988 and 1161066006.

It is not an unprimeable number, because it can be changed into a prime (1161066037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2080485 + ... + 2081042.

It is an arithmetic number, because the mean of its divisors is an integer number (144266304).

Almost surely, 2^1161066033 is an apocalyptic number.

It is an amenable number.

1161066033 is a deficient number, since it is larger than the sum of its proper divisors (570129615).

1161066033 is a wasteful number, since it uses less digits than its factorization.

1161066033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161564 (or 4161561 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1161066033 is about 34074.4190412691. The cubic root of 1161066033 is about 1051.0393436542.

Adding to 1161066033 its reverse (3306601611), we get a palindrome (4467667644).

The spelling of 1161066033 in words is "one billion, one hundred sixty-one million, sixty-six thousand, thirty-three".