1106168491 has 2 divisors, whose sum is σ = 1106168492. Its totient is φ = 1106168490.

The previous prime is 1106168477. The next prime is 1106168501. The reversal of 1106168491 is 1948616011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1106168491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1106168491.

It is not a weakly prime, because it can be changed into another prime (1106160491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553084245 + 553084246.

It is an arithmetic number, because the mean of its divisors is an integer number (553084246).

Almost surely, 2^1106168491 is an apocalyptic number.

1106168491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106168491 is an equidigital number, since it uses as much as digits as its factorization.

1106168491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1106168491 is about 33259.1113982319. Note that the first 3 decimals coincide. The cubic root of 1106168491 is about 1034.2060987759.

The spelling of 1106168491 in words is "one billion, one hundred six million, one hundred sixty-eight thousand, four hundred ninety-one".