266096489 has 8 divisors (see below), whose sum is σ = 282713160. Its totient is φ = 249975936.

The previous prime is 266096471. The next prime is 266096491. The reversal of 266096489 is 984690662.

It can be written as a sum of positive squares in 4 ways, for example, as 155426089 + 110670400 = 12467^2 + 10520^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 266096489 - 2¹⁶ = 266030953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (266096419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122924 + ... + 125069.

It is an arithmetic number, because the mean of its divisors is an integer number (35339145).

Almost surely, 2^266096489 is an apocalyptic number.

266096489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

266096489 is a deficient number, since it is larger than the sum of its proper divisors (16616671).

266096489 is a wasteful number, since it uses less digits than its factorization.

266096489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248059.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 266096489 is about 16312.4642221830. The cubic root of 266096489 is about 643.2005119828.

The spelling of 266096489 in words is "two hundred sixty-six million, ninety-six thousand, four hundred eighty-nine".