68068690005 has 16 divisors (see below), whose sum is σ = 108955549440. Its totient is φ = 36288086208.

The previous prime is 68068689971. The next prime is 68068690033. The reversal of 68068690005 is 50009686086.

It is not a de Polignac number, because 68068690005 - 2²⁰ = 68067641429 is a prime.

It is a congruent number.

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, 913917 + ... + 985586.

It is an arithmetic number, because the mean of its divisors is an integer number (6809721840).

Almost surely, 2^68068690005 is an apocalyptic number.

It is an amenable number.

68068690005 is a deficient number, since it is larger than the sum of its proper divisors (40886859435).

68068690005 is a wasteful number, since it uses less digits than its factorization.

68068690005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901900.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 68068690005 in words is "sixty-eight billion, sixty-eight million, six hundred ninety thousand, five".