1161105366 has 16 divisors (see below), whose sum is σ = 2423176704. Its totient is φ = 370207464.

The previous prime is 1161105331. The next prime is 1161105391. The reversal of 1161105366 is 6635011611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206766 + ... + 4207041.

It is an arithmetic number, because the mean of its divisors is an integer number (151448544).

Almost surely, 2^1161105366 is an apocalyptic number.

1161105366 is an abundant number, since it is smaller than the sum of its proper divisors (1262071338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161105366 is a wasteful number, since it uses less digits than its factorization.

1161105366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413835.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1161105366 is about 34074.9961995596. The cubic root of 1161105366 is about 1051.0512120758.

Adding to 1161105366 its reverse (6635011611), we get a palindrome (7796116977).

The spelling of 1161105366 in words is "one billion, one hundred sixty-one million, one hundred five thousand, three hundred sixty-six".