266849001 has 12 divisors (see below), whose sum is σ = 389192128. Its totient is φ = 176171544.

The previous prime is 266848993. The next prime is 266849041. The reversal of 266849001 is 100948662.

It is not a de Polignac number, because 266849001 - 2³ = 266848993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266849041) 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 11 ways as a sum of consecutive naturals, for example, 143005 + ... + 144858.

Almost surely, 2^266849001 is an apocalyptic number.

It is an amenable number.

266849001 is a deficient number, since it is larger than the sum of its proper divisors (122343127).

266849001 is a wasteful number, since it uses less digits than its factorization.

266849001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287972 (or 287969 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 266849001 is about 16335.5134905518. The cubic root of 266849001 is about 643.8062578666.

The spelling of 266849001 in words is "two hundred sixty-six million, eight hundred forty-nine thousand, one".