68691180223 has 16 divisors (see below), whose sum is σ = 72313768800. Its totient is φ = 65161031040.

The previous prime is 68691180221. The next prime is 68691180227. The reversal of 68691180223 is 32208119686.

It is a cyclic number.

It is not a de Polignac number, because 68691180223 - 2¹ = 68691180221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68691180221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356833 + ... + 514501.

It is an arithmetic number, because the mean of its divisors is an integer number (4519610550).

Almost surely, 2^68691180223 is an apocalyptic number.

68691180223 is a deficient number, since it is larger than the sum of its proper divisors (3622588577).

68691180223 is a wasteful number, since it uses less digits than its factorization.

68691180223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157962.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 68691180223 in words is "sixty-eight billion, six hundred ninety-one million, one hundred eighty thousand, two hundred twenty-three".