1166666103 has 12 divisors (see below), whose sum is σ = 1686490728. Its totient is φ = 777174480.

The previous prime is 1166666087. The next prime is 1166666117. The reversal of 1166666103 is 3016666611.

It is a happy number.

It is not a de Polignac number, because 1166666103 - 2⁴ = 1166666087 is a prime.

It is a super-2 number, since 2×1166666103² = 2722219591778413218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166668103) 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 in 11 ways as a sum of consecutive naturals, for example, 37828 + ... + 61353.

It is an arithmetic number, because the mean of its divisors is an integer number (140540894).

Almost surely, 2^1166666103 is an apocalyptic number.

1166666103 is a deficient number, since it is larger than the sum of its proper divisors (519824625).

1166666103 is a wasteful number, since it uses less digits than its factorization.

1166666103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100494 (or 100491 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1166666103 is about 34156.4943019625. The cubic root of 1166666103 is about 1052.7264300703.

The spelling of 1166666103 in words is "one billion, one hundred sixty-six million, six hundred sixty-six thousand, one hundred three".