68901995998 has 64 divisors (see below), whose sum is σ = 120791554560. Its totient is φ = 29144880000.

The previous prime is 68901995971. The next prime is 68901996041. The reversal of 68901995998 is 89959910986.

It is a super-3 number, since 3×68901995998³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68901995998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26287128 + ... + 26289748.

It is an arithmetic number, because the mean of its divisors is an integer number (1887368040).

Almost surely, 2^68901995998 is an apocalyptic number.

68901995998 is a deficient number, since it is larger than the sum of its proper divisors (51889558562).

68901995998 is a wasteful number, since it uses less digits than its factorization.

68901995998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 113374080, while the sum is 73.

The spelling of 68901995998 in words is "sixty-eight billion, nine hundred one million, nine hundred ninety-five thousand, nine hundred ninety-eight".