68099566 has 8 divisors (see below), whose sum is σ = 102245760. Its totient is φ = 34017648.

The previous prime is 68099561. The next prime is 68099567. The reversal of 68099566 is 66599086.

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 (68099561) 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, 13326 + ... + 17713.

It is an arithmetic number, because the mean of its divisors is an integer number (12780720).

Almost surely, 2^68099566 is an apocalyptic number.

68099566 is a deficient number, since it is larger than the sum of its proper divisors (34146194).

68099566 is a wasteful number, since it uses less digits than its factorization.

68099566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32138.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 68099566 is about 8252.2461184819. The cubic root of 68099566 is about 408.3646258216.

The spelling of 68099566 in words is "sixty-eight million, ninety-nine thousand, five hundred sixty-six".