68261165746 has 16 divisors (see below), whose sum is σ = 108049592160. Its totient is φ = 32253595200.

The previous prime is 68261165737. The next prime is 68261165761. The reversal of 68261165746 is 64756116286.

It is a junction number, because it is equal to n+sod(n) for n = 68261165693 and 68261165702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224596 + ... + 2255071.

It is an arithmetic number, because the mean of its divisors is an integer number (6753099510).

Almost surely, 2^68261165746 is an apocalyptic number.

68261165746 is a deficient number, since it is larger than the sum of its proper divisors (39788426414).

68261165746 is a wasteful number, since it uses less digits than its factorization.

68261165746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480089.

The product of its digits is 2903040, while the sum is 52.

The spelling of 68261165746 in words is "sixty-eight billion, two hundred sixty-one million, one hundred sixty-five thousand, seven hundred forty-six".