68213158 has 8 divisors (see below), whose sum is σ = 110190528. Its totient is φ = 31482984.

The previous prime is 68213153. The next prime is 68213177. The reversal of 68213158 is 85131286.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213153) 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 3 ways as a sum of consecutive naturals, for example, 1311766 + ... + 1311817.

It is an arithmetic number, because the mean of its divisors is an integer number (13773816).

Almost surely, 2^68213158 is an apocalyptic number.

68213158 is a deficient number, since it is larger than the sum of its proper divisors (41977370).

68213158 is a wasteful number, since it uses less digits than its factorization.

68213158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623598.

The product of its digits is 11520, while the sum is 34.

The square root of 68213158 is about 8259.1257406580. The cubic root of 68213158 is about 408.5915542715.

The spelling of 68213158 in words is "sixty-eight million, two hundred thirteen thousand, one hundred fifty-eight".