68186998 has 8 divisors (see below), whose sum is σ = 111578760. Its totient is φ = 30994080.

The previous prime is 68186957. The next prime is 68186999. The reversal of 68186998 is 89968186.

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 (68186999) 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, 1549683 + ... + 1549726.

It is an arithmetic number, because the mean of its divisors is an integer number (13947345).

Almost surely, 2^68186998 is an apocalyptic number.

68186998 is a deficient number, since it is larger than the sum of its proper divisors (43391762).

68186998 is a wasteful number, since it uses less digits than its factorization.

68186998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099422.

The product of its digits is 1492992, while the sum is 55.

The square root of 68186998 is about 8257.5418860579. The cubic root of 68186998 is about 408.5393154657.

The spelling of 68186998 in words is "sixty-eight million, one hundred eighty-six thousand, nine hundred ninety-eight".