266996949 has 16 divisors (see below), whose sum is σ = 391027200. Its totient is φ = 161297136.

The previous prime is 266996867. The next prime is 266996953. The reversal of 266996949 is 949699662.

It is not a de Polignac number, because 266996949 - 2⁸ = 266996693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266996892 and 266996901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266996959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100519 + ... + 103140.

It is an arithmetic number, because the mean of its divisors is an integer number (24439200).

Almost surely, 2^266996949 is an apocalyptic number.

It is an amenable number.

266996949 is a deficient number, since it is larger than the sum of its proper divisors (124030251).

266996949 is a wasteful number, since it uses less digits than its factorization.

266996949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203704.

The product of its digits is 11337408, while the sum is 60.

The square root of 266996949 is about 16340.0412790176. The cubic root of 266996949 is about 643.9252168413.

The spelling of 266996949 in words is "two hundred sixty-six million, nine hundred ninety-six thousand, nine hundred forty-nine".