68648185 has 8 divisors (see below), whose sum is σ = 83194056. Its totient is φ = 54374400.

The previous prime is 68648171. The next prime is 68648201. The reversal of 68648185 is 58184686.

It can be written as a sum of positive squares in 4 ways, for example, as 33790969 + 34857216 = 5813^2 + 5904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68648185 - 2¹³ = 68639993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67464 + ... + 68473.

It is an arithmetic number, because the mean of its divisors is an integer number (10399257).

Almost surely, 2^68648185 is an apocalyptic number.

It is an amenable number.

68648185 is a deficient number, since it is larger than the sum of its proper divisors (14545871).

68648185 is a wasteful number, since it uses less digits than its factorization.

68648185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136043.

The product of its digits is 368640, while the sum is 46.

The square root of 68648185 is about 8285.4200255630. The cubic root of 68648185 is about 409.4583070365.

The spelling of 68648185 in words is "sixty-eight million, six hundred forty-eight thousand, one hundred eighty-five".