68361683755 has 16 divisors (see below), whose sum is σ = 89661475584. Its totient is φ = 49811927040.

The previous prime is 68361683743. The next prime is 68361683773. The reversal of 68361683755 is 55738616386.

It is not a de Polignac number, because 68361683755 - 2¹³ = 68361675563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68361683755.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12969222 + ... + 12974491.

It is an arithmetic number, because the mean of its divisors is an integer number (5603842224).

Almost surely, 2^68361683755 is an apocalyptic number.

68361683755 is a deficient number, since it is larger than the sum of its proper divisors (21299791829).

68361683755 is a wasteful number, since it uses less digits than its factorization.

68361683755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25943766.

The product of its digits is 21772800, while the sum is 58.

The spelling of 68361683755 in words is "sixty-eight billion, three hundred sixty-one million, six hundred eighty-three thousand, seven hundred fifty-five".