2403166091 has 2 divisors, whose sum is σ = 2403166092. Its totient is φ = 2403166090.

The previous prime is 2403166043. The next prime is 2403166123. The reversal of 2403166091 is 1906613042.

It is an a-pointer prime, because the next prime (2403166123) can be obtained adding 2403166091 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2403166091 - 2³⁰ = 1329424267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2403166001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201583045 + 1201583046.

It is an arithmetic number, because the mean of its divisors is an integer number (1201583046).

Almost surely, 2^2403166091 is an apocalyptic number.

2403166091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403166091 is an equidigital number, since it uses as much as digits as its factorization.

2403166091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2403166091 is about 49022.0979865203. The cubic root of 2403166091 is about 1339.4543874724.

The spelling of 2403166091 in words is "two billion, four hundred three million, one hundred sixty-six thousand, ninety-one".