268178296497 has 8 divisors (see below), whose sum is σ = 357574124544. Its totient is φ = 178783999728.

The previous prime is 268178296481. The next prime is 268178296517. The reversal of 268178296497 is 794692871862.

268178296497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268178296497 - 2⁴ = 268178296481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268178294497) 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 7 ways as a sum of consecutive naturals, for example, 120283 + ... + 742175.

It is an arithmetic number, because the mean of its divisors is an integer number (44696765568).

Almost surely, 2^268178296497 is an apocalyptic number.

It is an amenable number.

268178296497 is a deficient number, since it is larger than the sum of its proper divisors (89395828047).

268178296497 is a wasteful number, since it uses less digits than its factorization.

268178296497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765639.

The product of its digits is 146313216, while the sum is 69.

The spelling of 268178296497 in words is "two hundred sixty-eight billion, one hundred seventy-eight million, two hundred ninety-six thousand, four hundred ninety-seven".