1103164661 has 2 divisors, whose sum is σ = 1103164662. Its totient is φ = 1103164660.

The previous prime is 1103164651. The next prime is 1103164691. The reversal of 1103164661 is 1664613011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980065636 + 123099025 = 31306^2 + 11095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103164661 - 2⁶ = 1103164597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103164651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551582330 + 551582331.

It is an arithmetic number, because the mean of its divisors is an integer number (551582331).

Almost surely, 2^1103164661 is an apocalyptic number.

It is an amenable number.

1103164661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103164661 is an equidigital number, since it uses as much as digits as its factorization.

1103164661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1103164661 is about 33213.9226981698. The cubic root of 1103164661 is about 1033.2691120569.

Adding to 1103164661 its reverse (1664613011), we get a palindrome (2767777672).

The spelling of 1103164661 in words is "one billion, one hundred three million, one hundred sixty-four thousand, six hundred sixty-one".