266964916 has 12 divisors (see below), whose sum is σ = 479815588. Its totient is φ = 129874752.

The previous prime is 266964883. The next prime is 266964949. The reversal of 266964916 is 619469662.

It is an interprime number because it is at equal distance from previous prime (266964883) and next prime (266964949).

It can be written as a sum of positive squares in 2 ways, for example, as 103022500 + 163942416 = 10150^2 + 12804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266964916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901761 + ... + 902056.

Almost surely, 2^266964916 is an apocalyptic number.

It is an amenable number.

266964916 is a deficient number, since it is larger than the sum of its proper divisors (212850672).

266964916 is a wasteful number, since it uses less digits than its factorization.

266964916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803858 (or 1803856 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 266964916 is about 16339.0610501338. The cubic root of 266964916 is about 643.8994641357.

The spelling of 266964916 in words is "two hundred sixty-six million, nine hundred sixty-four thousand, nine hundred sixteen".