68116489 has 8 divisors (see below), whose sum is σ = 79504128. Its totient is φ = 57143040.

The previous prime is 68116471. The next prime is 68116507. The reversal of 68116489 is 98461186.

It is an interprime number because it is at equal distance from previous prime (68116471) and next prime (68116507).

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

It is a cyclic number.

It is not a de Polignac number, because 68116489 - 2¹³ = 68108297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68116439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103192 + ... + 103849.

It is an arithmetic number, because the mean of its divisors is an integer number (9938016).

Almost surely, 2^68116489 is an apocalyptic number.

It is an amenable number.

68116489 is a deficient number, since it is larger than the sum of its proper divisors (11387639).

68116489 is a wasteful number, since it uses less digits than its factorization.

68116489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207095.

The product of its digits is 82944, while the sum is 43.

The square root of 68116489 is about 8253.2714119917. The cubic root of 68116489 is about 408.3984497385.

The spelling of 68116489 in words is "sixty-eight million, one hundred sixteen thousand, four hundred eighty-nine".