68181724601 has 4 divisors (see below), whose sum is σ = 70381135104. Its totient is φ = 65982314100.

The previous prime is 68181724537. The next prime is 68181724621. The reversal of 68181724601 is 10642718186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68181724601 - 2⁶ = 68181724537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68181724621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099705205 + ... + 1099705266.

It is an arithmetic number, because the mean of its divisors is an integer number (17595283776).

Almost surely, 2^68181724601 is an apocalyptic number.

It is an amenable number.

68181724601 is a deficient number, since it is larger than the sum of its proper divisors (2199410503).

68181724601 is a wasteful number, since it uses less digits than its factorization.

68181724601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199410502.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 68181724601 in words is "sixty-eight billion, one hundred eighty-one million, seven hundred twenty-four thousand, six hundred one".