68158413 has 24 divisors (see below), whose sum is σ = 101088000. Its totient is φ = 44232864.

The previous prime is 68158399. The next prime is 68158417. The reversal of 68158413 is 31485186.

68158413 is a `hidden beast` number, since 68 + 1 + 584 + 13 = 666.

It is not a de Polignac number, because 68158413 - 2¹⁶ = 68092877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68158417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113488 + ... + 114086.

It is an arithmetic number, because the mean of its divisors is an integer number (4212000).

Almost surely, 2^68158413 is an apocalyptic number.

It is an amenable number.

68158413 is a deficient number, since it is larger than the sum of its proper divisors (32929587).

68158413 is a wasteful number, since it uses less digits than its factorization.

68158413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 918 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 68158413 is about 8255.8108626591. The cubic root of 68158413 is about 408.4822189081.

The spelling of 68158413 in words is "sixty-eight million, one hundred fifty-eight thousand, four hundred thirteen".