268061983 has 4 divisors (see below), whose sum is σ = 306356560. Its totient is φ = 229767408.

The previous prime is 268061953. The next prime is 268062007. The reversal of 268061983 is 389160862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268061983 - 2¹³ = 268053791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268061903) 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 3 ways as a sum of consecutive naturals, for example, 19147278 + ... + 19147291.

It is an arithmetic number, because the mean of its divisors is an integer number (76589140).

Almost surely, 2^268061983 is an apocalyptic number.

268061983 is a deficient number, since it is larger than the sum of its proper divisors (38294577).

268061983 is an equidigital number, since it uses as much as digits as its factorization.

268061983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38294576.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 268061983 is about 16372.5985414656. The cubic root of 268061983 is about 644.7802732922.

The spelling of 268061983 in words is "two hundred sixty-eight million, sixty-one thousand, nine hundred eighty-three".