201830162 has 8 divisors (see below), whose sum is σ = 303871500. Its totient is φ = 100539664.

The previous prime is 201830113. The next prime is 201830183. The reversal of 201830162 is 261038102.

It can be written as a sum of positive squares in 2 ways, for example, as 171898321 + 29931841 = 13111^2 + 5471^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187037 + ... + 188112.

Almost surely, 2^201830162 is an apocalyptic number.

201830162 is a deficient number, since it is larger than the sum of its proper divisors (102041338).

201830162 is a wasteful number, since it uses less digits than its factorization.

201830162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375420.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 201830162 is about 14206.6942671404. The cubic root of 201830162 is about 586.5819427554.

Adding to 201830162 its reverse (261038102), we get a palindrome (462868264).

The spelling of 201830162 in words is "two hundred one million, eight hundred thirty thousand, one hundred sixty-two".