68163605 has 8 divisors (see below), whose sum is σ = 85352832. Its totient is φ = 52159888.

The previous prime is 68163593. The next prime is 68163611. The reversal of 68163605 is 50636186.

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 68163605 - 2⁶ = 68163541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296249 + ... + 296478.

It is an arithmetic number, because the mean of its divisors is an integer number (10669104).

Almost surely, 2^68163605 is an apocalyptic number.

It is an amenable number.

68163605 is a deficient number, since it is larger than the sum of its proper divisors (17189227).

68163605 is a wasteful number, since it uses less digits than its factorization.

68163605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592755.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 68163605 is about 8256.1253018592. The cubic root of 68163605 is about 408.4925907548.

The spelling of 68163605 in words is "sixty-eight million, one hundred sixty-three thousand, six hundred five".