68146663 has 8 divisors (see below), whose sum is σ = 74950848. Its totient is φ = 61565664.

The previous prime is 68146657. The next prime is 68146667. The reversal of 68146663 is 36664186.

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 68146663 - 2⁹ = 68146151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68146667) 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, 55156 + ... + 56377.

It is an arithmetic number, because the mean of its divisors is an integer number (9368856).

Almost surely, 2^68146663 is an apocalyptic number.

68146663 is a deficient number, since it is larger than the sum of its proper divisors (6804185).

68146663 is a wasteful number, since it uses less digits than its factorization.

68146663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111593.

The product of its digits is 124416, while the sum is 40.

The square root of 68146663 is about 8255.0992120022. The cubic root of 68146663 is about 408.4587444672.

The spelling of 68146663 in words is "sixty-eight million, one hundred forty-six thousand, six hundred sixty-three".