268260193 has 6 divisors (see below), whose sum is σ = 271188834. Its totient is φ = 265334976.

The previous prime is 268260163. The next prime is 268260199. The reversal of 268260193 is 391062862.

It can be written as a sum of positive squares in only one way, i.e., 224011089 + 44249104 = 14967^2 + 6652^2 .

It is not a de Polignac number, because 268260193 - 2⁹ = 268259681 is a prime.

It is a super-2 number, since 2×268260193² = 143927062296794498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268260199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160480 + ... + 162142.

It is an arithmetic number, because the mean of its divisors is an integer number (45198139).

Almost surely, 2^268260193 is an apocalyptic number.

It is an amenable number.

268260193 is a deficient number, since it is larger than the sum of its proper divisors (2928641).

268260193 is an frugal number, since it uses more digits than its factorization.

268260193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 268260193 is about 16378.6505243869. The cubic root of 268260193 is about 644.9391549680.

The spelling of 268260193 in words is "two hundred sixty-eight million, two hundred sixty thousand, one hundred ninety-three".