68180074623 has 24 divisors (see below), whose sum is σ = 101681790000. Its totient is φ = 45151959600.

The previous prime is 68180074619. The next prime is 68180074649. The reversal of 68180074623 is 32647008186.

68180074623 is a `hidden beast` number, since 6 + 8 + 18 + 0 + 0 + 7 + 4 + 623 = 666.

It is not a de Polignac number, because 68180074623 - 2² = 68180074619 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68180074663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560253 + ... + 671001.

It is an arithmetic number, because the mean of its divisors is an integer number (4236741250).

Almost surely, 2^68180074623 is an apocalyptic number.

68180074623 is a deficient number, since it is larger than the sum of its proper divisors (33501715377).

68180074623 is a wasteful number, since it uses less digits than its factorization.

68180074623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111060 (or 110903 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 68180074623 in words is "sixty-eight billion, one hundred eighty million, seventy-four thousand, six hundred twenty-three".