68618606 has 8 divisors (see below), whose sum is σ = 117631920. Its totient is φ = 29407968.

The previous prime is 68618587. The next prime is 68618629. The reversal of 68618606 is 60681686.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450651 + ... + 2450678.

It is an arithmetic number, because the mean of its divisors is an integer number (14703990).

Almost surely, 2^68618606 is an apocalyptic number.

68618606 is a deficient number, since it is larger than the sum of its proper divisors (49013314).

68618606 is a wasteful number, since it uses less digits than its factorization.

68618606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901338.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 68618606 is about 8283.6348301938. The cubic root of 68618606 is about 409.3994897146.

The spelling of 68618606 in words is "sixty-eight million, six hundred eighteen thousand, six hundred six".