68284163 has 4 divisors (see below), whose sum is σ = 68736528. Its totient is φ = 67831800.

The previous prime is 68284133. The next prime is 68284169. The reversal of 68284163 is 36148286.

It is a happy number.

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 68284163 - 2¹² = 68280067 is a prime.

It is a super-2 number, since 2×68284163² = 9325453833221138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68284169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225956 + ... + 226257.

It is an arithmetic number, because the mean of its divisors is an integer number (17184132).

Almost surely, 2^68284163 is an apocalyptic number.

68284163 is a deficient number, since it is larger than the sum of its proper divisors (452365).

68284163 is a wasteful number, since it uses less digits than its factorization.

68284163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452364.

The product of its digits is 55296, while the sum is 38.

The square root of 68284163 is about 8263.4232010711. The cubic root of 68284163 is about 408.7332765995.

The spelling of 68284163 in words is "sixty-eight million, two hundred eighty-four thousand, one hundred sixty-three".