68359966 has 16 divisors (see below), whose sum is σ = 104382720. Its totient is φ = 33568920.

The previous prime is 68359957. The next prime is 68359969. The reversal of 68359966 is 66995386.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68359969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65275 + ... + 66313.

It is an arithmetic number, because the mean of its divisors is an integer number (6523920).

Almost surely, 2^68359966 is an apocalyptic number.

68359966 is a deficient number, since it is larger than the sum of its proper divisors (36022754).

68359966 is a wasteful number, since it uses less digits than its factorization.

68359966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its digits is 2099520, while the sum is 52.

The square root of 68359966 is about 8268.0085873202. The cubic root of 68359966 is about 408.8844671017.

The spelling of 68359966 in words is "sixty-eight million, three hundred fifty-nine thousand, nine hundred sixty-six".