268180798 has 4 divisors (see below), whose sum is σ = 402271200. Its totient is φ = 134090398.

The previous prime is 268180793. The next prime is 268180799. The reversal of 268180798 is 897081862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 897081862 = 2 ⋅448540931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268180793) 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 as a sum of consecutive naturals, namely, 67045198 + ... + 67045201.

It is an arithmetic number, because the mean of its divisors is an integer number (100567800).

Almost surely, 2^268180798 is an apocalyptic number.

268180798 is a deficient number, since it is larger than the sum of its proper divisors (134090402).

268180798 is a wasteful number, since it uses less digits than its factorization.

268180798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134090401.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 268180798 is about 16376.2266105474. The cubic root of 268180798 is about 644.8755227209.

The spelling of 268180798 in words is "two hundred sixty-eight million, one hundred eighty thousand, seven hundred ninety-eight".