168109363 has 4 divisors (see below), whose sum is σ = 168369840. Its totient is φ = 167848888.

The previous prime is 168109339. The next prime is 168109411. The reversal of 168109363 is 363901861.

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 168109363 - 2⁹ = 168108851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168109303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129268 + ... + 130561.

It is an arithmetic number, because the mean of its divisors is an integer number (42092460).

Almost surely, 2^168109363 is an apocalyptic number.

168109363 is a deficient number, since it is larger than the sum of its proper divisors (260477).

168109363 is an equidigital number, since it uses as much as digits as its factorization.

168109363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260476.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 168109363 is about 12965.6994797813. The cubic root of 168109363 is about 551.9045411402.

The spelling of 168109363 in words is "one hundred sixty-eight million, one hundred nine thousand, three hundred sixty-three".