1166423167 has 32 divisors (see below), whose sum is σ = 1533862400. Its totient is φ = 861176448.

The previous prime is 1166423161. The next prime is 1166423221. The reversal of 1166423167 is 7613246611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166423167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166423161) 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, 110809 + ... + 120877.

It is an arithmetic number, because the mean of its divisors is an integer number (47933200).

Almost surely, 2^1166423167 is an apocalyptic number.

1166423167 is a deficient number, since it is larger than the sum of its proper divisors (367439233).

1166423167 is a wasteful number, since it uses less digits than its factorization.

1166423167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175.

The product of its digits is 36288, while the sum is 37.

The square root of 1166423167 is about 34152.9378970536. The cubic root of 1166423167 is about 1052.6533549203.

Adding to 1166423167 its reverse (7613246611), we get a palindrome (8779669778).

The spelling of 1166423167 in words is "one billion, one hundred sixty-six million, four hundred twenty-three thousand, one hundred sixty-seven".