266242601 has 8 divisors (see below), whose sum is σ = 275142144. Its totient is φ = 257362560.

The previous prime is 266242597. The next prime is 266242621. The reversal of 266242601 is 106242662.

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 266242601 - 2² = 266242597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266242621) 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, 26105 + ... + 34841.

It is an arithmetic number, because the mean of its divisors is an integer number (34392768).

Almost surely, 2^266242601 is an apocalyptic number.

It is an amenable number.

266242601 is a deficient number, since it is larger than the sum of its proper divisors (8899543).

266242601 is an equidigital number, since it uses as much as digits as its factorization.

266242601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 266242601 is about 16316.9421461253. The cubic root of 266242601 is about 643.3182163009.

The spelling of 266242601 in words is "two hundred sixty-six million, two hundred forty-two thousand, six hundred one".