1166361440603 has 2 divisors, whose sum is σ = 1166361440604. Its totient is φ = 1166361440602.

The previous prime is 1166361440597. The next prime is 1166361440663. The reversal of 1166361440603 is 3060441636611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166361440603 - 2¹⁸ = 1166361178459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166361440663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583180720301 + 583180720302.

It is an arithmetic number, because the mean of its divisors is an integer number (583180720302).

Almost surely, 2^{1166361440603} is an apocalyptic number.

1166361440603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166361440603 is an equidigital number, since it uses as much as digits as its factorization.

1166361440603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 1166361440603 in words is "one trillion, one hundred sixty-six billion, three hundred sixty-one million, four hundred forty thousand, six hundred three".