268418195494 has 8 divisors (see below), whose sum is σ = 406536296400. Its totient is φ = 132906096696.

The previous prime is 268418195459. The next prime is 268418195533. The reversal of 268418195494 is 494591814862.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651500269 + ... + 651500680.

It is an arithmetic number, because the mean of its divisors is an integer number (50817037050).

Almost surely, 2^268418195494 is an apocalyptic number.

268418195494 is a deficient number, since it is larger than the sum of its proper divisors (138118100906).

268418195494 is a wasteful number, since it uses less digits than its factorization.

268418195494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303001054.

The product of its digits is 19906560, while the sum is 61.

The spelling of 268418195494 in words is "two hundred sixty-eight billion, four hundred eighteen million, one hundred ninety-five thousand, four hundred ninety-four".