68453663 has 8 divisors (see below), whose sum is σ = 70607040. Its totient is φ = 66316320.

The previous prime is 68453653. The next prime is 68453677. The reversal of 68453663 is 36635486.

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 68453663 - 2⁴ = 68453647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68453663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68453603) 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 7 ways as a sum of consecutive naturals, for example, 4973 + ... + 12713.

It is an arithmetic number, because the mean of its divisors is an integer number (8825880).

Almost surely, 2^68453663 is an apocalyptic number.

68453663 is a deficient number, since it is larger than the sum of its proper divisors (2153377).

68453663 is a wasteful number, since it uses less digits than its factorization.

68453663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017.

The product of its digits is 311040, while the sum is 41.

The square root of 68453663 is about 8273.6728845175. The cubic root of 68453663 is about 409.0711931433.

The spelling of 68453663 in words is "sixty-eight million, four hundred fifty-three thousand, six hundred sixty-three".