181852106 has 8 divisors (see below), whose sum is σ = 273970020. Its totient is φ = 90528768.

The previous prime is 181852103. The next prime is 181852109. The reversal of 181852106 is 601258181.

It is an interprime number because it is at equal distance from previous prime (181852103) and next prime (181852109).

It can be written as a sum of positive squares in 2 ways, for example, as 175324081 + 6528025 = 13241^2 + 2555^2 .

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

It is not an unprimeable number, because it can be changed into a prime (181852103) 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 3 ways as a sum of consecutive naturals, for example, 198071 + ... + 198986.

Almost surely, 2^181852106 is an apocalyptic number.

181852106 is a deficient number, since it is larger than the sum of its proper divisors (92117914).

181852106 is a wasteful number, since it uses less digits than its factorization.

181852106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397288.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 181852106 is about 13485.2551329220. The cubic root of 181852106 is about 566.5515668573.

The spelling of 181852106 in words is "one hundred eighty-one million, eight hundred fifty-two thousand, one hundred six".