1111402166 has 64 divisors (see below), whose sum is σ = 2082516480. Its totient is φ = 434004480.

The previous prime is 1111402163. The next prime is 1111402181. The reversal of 1111402166 is 6612041111.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111402163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1340240 + ... + 1341068.

It is an arithmetic number, because the mean of its divisors is an integer number (32539320).

Almost surely, 2^1111402166 is an apocalyptic number.

1111402166 is a deficient number, since it is larger than the sum of its proper divisors (971114314).

1111402166 is a wasteful number, since it uses less digits than its factorization.

1111402166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1111402166 is about 33337.6988707979. The cubic root of 1111402166 is about 1035.8345982769.

Adding to 1111402166 its reverse (6612041111), we get a palindrome (7723443277).

The spelling of 1111402166 in words is "one billion, one hundred eleven million, four hundred two thousand, one hundred sixty-six".