167216242 has 8 divisors (see below), whose sum is σ = 250897500. Its totient is φ = 83583744.

The previous prime is 167216227. The next prime is 167216243. The reversal of 167216242 is 242612761.

It can be written as a sum of positive squares in 2 ways, for example, as 166177881 + 1038361 = 12891^2 + 1019^2 .

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

It is a super-2 number, since 2×167216242² = 55922543177205128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (167216243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867 + ... + 18382.

Almost surely, 2^167216242 is an apocalyptic number.

167216242 is a deficient number, since it is larger than the sum of its proper divisors (83681258).

167216242 is a wasteful number, since it uses less digits than its factorization.

167216242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24380.

The product of its digits is 8064, while the sum is 31.

The square root of 167216242 is about 12931.2119308284. The cubic root of 167216242 is about 550.9254304265.

The spelling of 167216242 in words is "one hundred sixty-seven million, two hundred sixteen thousand, two hundred forty-two".