1161328167 has 24 divisors (see below), whose sum is σ = 1751993568. Its totient is φ = 739886400.

The previous prime is 1161328117. The next prime is 1161328177. The reversal of 1161328167 is 7618231611.

1161328167 is a `hidden beast` number, since 1 + 1 + 613 + 28 + 16 + 7 = 666.

It is not a de Polignac number, because 1161328167 - 2²³ = 1152939559 is a prime.

It is a super-2 number, since 2×1161328167² = 2697366222935159778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161328117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333817 + ... + 337277.

It is an arithmetic number, because the mean of its divisors is an integer number (72999732).

Almost surely, 2^1161328167 is an apocalyptic number.

1161328167 is a deficient number, since it is larger than the sum of its proper divisors (590665401).

1161328167 is a wasteful number, since it uses less digits than its factorization.

1161328167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111 (or 5108 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1161328167 is about 34078.2653167675. The cubic root of 1161328167 is about 1051.1184354566.

Adding to 1161328167 its reverse (7618231611), we get a palindrome (8779559778).

The spelling of 1161328167 in words is "one billion, one hundred sixty-one million, three hundred twenty-eight thousand, one hundred sixty-seven".