1105160661 has 24 divisors (see below), whose sum is σ = 1743090336. Its totient is φ = 669169440.

The previous prime is 1105160657. The next prime is 1105160677. The reversal of 1105160661 is 1660615011.

1105160661 is a `hidden beast` number, since 1 + 1 + 0 + 51 + 606 + 6 + 1 = 666.

It is not a de Polignac number, because 1105160661 - 2² = 1105160657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105160621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115486 + ... + 124688.

It is an arithmetic number, because the mean of its divisors is an integer number (72628764).

Almost surely, 2^1105160661 is an apocalyptic number.

1105160661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1105160661 is a deficient number, since it is larger than the sum of its proper divisors (637929675).

1105160661 is a wasteful number, since it uses less digits than its factorization.

1105160661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433 (or 10430 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1105160661 is about 33243.9567590863. The cubic root of 1105160661 is about 1033.8919149817.

Adding to 1105160661 its reverse (1660615011), we get a palindrome (2765775672).

The spelling of 1105160661 in words is "one billion, one hundred five million, one hundred sixty thousand, six hundred sixty-one".