1161600105 has 16 divisors (see below), whose sum is σ = 1886301504. Its totient is φ = 610272960.

The previous prime is 1161600067. The next prime is 1161600107. The reversal of 1161600105 is 5010061611.

It is not a de Polignac number, because 1161600105 - 2⁸ = 1161599849 is a prime.

It is a super-2 number, since 2×1161600105² = 2698629607872022050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1161600107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576906 + ... + 578915.

It is an arithmetic number, because the mean of its divisors is an integer number (117893844).

Almost surely, 2^1161600105 is an apocalyptic number.

1161600105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1161600105 is a deficient number, since it is larger than the sum of its proper divisors (724701399).

1161600105 is a wasteful number, since it uses less digits than its factorization.

1161600105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155896.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1161600105 is about 34082.2549870163. The cubic root of 1161600105 is about 1051.2004727725.

Adding to 1161600105 its reverse (5010061611), we get a palindrome (6171661716).

The spelling of 1161600105 in words is "one billion, one hundred sixty-one million, six hundred thousand, one hundred five".