161182167 has 8 divisors (see below), whose sum is σ = 215597424. Its totient is φ = 107110848.

The previous prime is 161182157. The next prime is 161182171. The reversal of 161182167 is 761281161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161182167 - 2¹⁰ = 161181143 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161182127) 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 7 ways as a sum of consecutive naturals, for example, 84888 + ... + 86765.

It is an arithmetic number, because the mean of its divisors is an integer number (26949678).

Almost surely, 2^161182167 is an apocalyptic number.

161182167 is a deficient number, since it is larger than the sum of its proper divisors (54415257).

161182167 is a wasteful number, since it uses less digits than its factorization.

161182167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171969.

The product of its digits is 4032, while the sum is 33.

The square root of 161182167 is about 12695.7538964805. The cubic root of 161182167 is about 544.2172833987.

The spelling of 161182167 in words is "one hundred sixty-one million, one hundred eighty-two thousand, one hundred sixty-seven".