68456194156801 has 32 divisors (see below), whose sum is σ = 78257055191040. Its totient is φ = 59274601900800.

The previous prime is 68456194156787. The next prime is 68456194156837. The reversal of 68456194156801 is 10865149165486.

It is not a de Polignac number, because 68456194156801 - 2¹⁷ = 68456194025729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68456194156841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740348910 + ... + 740441368.

It is an arithmetic number, because the mean of its divisors is an integer number (2445532974720).

Almost surely, 2^{68456194156801} is an apocalyptic number.

It is an amenable number.

68456194156801 is a deficient number, since it is larger than the sum of its proper divisors (9800861034239).

68456194156801 is a wasteful number, since it uses less digits than its factorization.

68456194156801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104877.

The product of its (nonzero) digits is 49766400, while the sum is 64.

The spelling of 68456194156801 in words is "sixty-eight trillion, four hundred fifty-six billion, one hundred ninety-four million, one hundred fifty-six thousand, eight hundred one".