68216119 has 4 divisors (see below), whose sum is σ = 68374096. Its totient is φ = 68058144.

The previous prime is 68216111. The next prime is 68216131. The reversal of 68216119 is 91161286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68216119 - 2³ = 68216111 is a prime.

It is a super-2 number, since 2×68216119² = 9306877782844322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68216111) 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, 78339 + ... + 79204.

It is an arithmetic number, because the mean of its divisors is an integer number (17093524).

Almost surely, 2^68216119 is an apocalyptic number.

68216119 is a deficient number, since it is larger than the sum of its proper divisors (157977).

68216119 is a wasteful number, since it uses less digits than its factorization.

68216119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157976.

The product of its digits is 5184, while the sum is 34.

The square root of 68216119 is about 8259.3049949739. The cubic root of 68216119 is about 408.5974662399.

The spelling of 68216119 in words is "sixty-eight million, two hundred sixteen thousand, one hundred nineteen".