266042097 has 8 divisors (see below), whose sum is σ = 394136480. Its totient is φ = 177361380.

The previous prime is 266042087. The next prime is 266042107. The reversal of 266042097 is 790240662.

It is a happy number.

266042097 is a `hidden beast` number, since 26 + 604 + 20 + 9 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (266042087) and next prime (266042107).

It is not a de Polignac number, because 266042097 - 2¹⁰ = 266041073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266042017) 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, 4926679 + ... + 4926732.

It is an arithmetic number, because the mean of its divisors is an integer number (49267060).

Almost surely, 2^266042097 is an apocalyptic number.

266042097 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

266042097 is a deficient number, since it is larger than the sum of its proper divisors (128094383).

266042097 is an equidigital number, since it uses as much as digits as its factorization.

266042097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9853420 (or 9853414 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 266042097 is about 16310.7969455818. The cubic root of 266042097 is about 643.1566840887.

The spelling of 266042097 in words is "two hundred sixty-six million, forty-two thousand, ninety-seven".