68516050028 has 12 divisors (see below), whose sum is σ = 126956210472. Its totient is φ = 32242847040.

The previous prime is 68516049983. The next prime is 68516050037. The reversal of 68516050028 is 82005061586.

It is a super-2 number, since 2×68516050028² (a number of 22 digits) contains 22 as substring.

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, 503794418 + ... + 503794553.

It is an arithmetic number, because the mean of its divisors is an integer number (10579684206).

Almost surely, 2^68516050028 is an apocalyptic number.

68516050028 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68516050028 is a deficient number, since it is larger than the sum of its proper divisors (58440160444).

68516050028 is a wasteful number, since it uses less digits than its factorization.

68516050028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007588992 (or 1007588990 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 68516050028 in words is "sixty-eight billion, five hundred sixteen million, fifty thousand, twenty-eight".